Overview
The Tissot Gentleman Open Heart 40mm transforms the refined character of the Gentleman collection into a captivating expression of Swiss mechanical watchmaking. Its sophisticated blue dial reveals part of the automatic movement beneath, creating a direct visual connection between contemporary design and the mechanical craftsmanship at the heart of the watch.
Powered by a Swiss automatic movement with an impressive 80-hour power reserve, this reference combines the everyday versatility associated with the Gentleman collection with the distinctive personality of an open-heart timepiece. The result is elegant enough for professional and formal occasions yet visually engaging enough to appeal to enthusiasts who want to see mechanical watchmaking in action.
The Tissot Gentleman Open Heart 40mm is housed in a balanced 40 mm 316L stainless-steel case and paired with a matching stainless-steel bracelet. Its blue dial provides a sophisticated contrast against the steel construction, while the open-heart architecture reveals the movement operating beneath the surface.
Scratch-resistant sapphire crystal with anti-reflective treatment protects the dial, while a transparent caseback provides another perspective on the automatic movement. With 100 m water resistance and an interchangeable quick-release bracelet, this is not simply a watch designed to be admired—it is engineered for regular everyday wear.
Discover more sophisticated automatic watches in our Tissot Gentleman Collection.
Contemporary Open Heart Design
The defining feature of the Tissot Gentleman Open Heart 40mm is immediately visible.
Rather than completely concealing the movement beneath the dial, Tissot creates an opening that exposes part of the mechanical architecture underneath. Tissot describes the model as a contemporary interpretation of the open-heart concept and connects the visible movement directly with the brand’s Swiss watchmaking heritage.
This transforms the experience of wearing the Gentleman.
The movement is no longer something that exists exclusively behind the dial. Its mechanical operation becomes part of the watch’s visual identity, adding depth and movement to an otherwise restrained and sophisticated design.
Importantly, Tissot has not allowed the open-heart feature to overwhelm the character of the collection.
The Tissot Gentleman Open Heart 40mm remains unmistakably elegant. Its curved lugs, balanced case proportions and clean stainless-steel construction preserve the versatility expected from a Gentleman, while the exposed mechanism gives this reference a more individual personality.
Sophisticated Blue Dial
The blue dial provides an elegant backdrop for the open-heart architecture.
On the Tissot Gentleman Open Heart 40mm, the rich blue colour creates a strong contrast with the stainless-steel case, applied indexes and visible mechanical components.
The dial uses index hour markers, while Super-LumiNova® on the hands supports readability when lighting conditions are reduced.
The blue-and-steel combination also contributes significantly to the versatility of the watch.
Blue remains sophisticated enough for business and formal clothing but introduces more visual character than a conventional black or silver dial.
Combined with the open-heart aperture, the colour gives the Gentleman a contemporary identity without sacrificing the understated styling that makes the collection suitable for everyday use.
Powermatic 80 Automatic Performance
Inside the Tissot Gentleman Open Heart 40mm is a Swiss automatic movement providing an impressive 80 hours of power reserve.
That extended autonomy is one of the most practical advantages of Tissot’s Powermatic 80 platform.
An automatic watch is powered by mechanical energy generated through the movement of the wearer’s wrist. Unlike quartz watches, it does not depend on a conventional battery for normal operation.
With up to 80 hours of stored energy, this Gentleman can continue operating for more than three days when sufficiently wound, providing substantially greater flexibility than many traditional automatic movements.
That makes the Tissot Gentleman Open Heart 40mm particularly attractive for someone who wants the emotion of mechanical watchmaking without sacrificing everyday convenience.
The movement’s mechanical character is also central to the design because part of it remains visible through the dial itself.
Explore more Swiss automatic watches powered by the Tissot Powermatic 80 Movement.
Nivachron™ Technology
Tissot equips this exact reference with its patented Nivachron™ balance spring.
Magnetic fields are increasingly common in everyday environments because of devices such as smartphones, computers and other electronics.
Nivachron™ technology is designed to provide greater resistance against magnetic influences than conventional balance springs, helping protect the dependable operation of the mechanical movement in modern daily life.
This makes the technology particularly relevant to the Tissot Gentleman Open Heart 40mm.
The watch celebrates traditional mechanical craftsmanship visually through its open-heart design, yet the movement incorporates modern technology designed for contemporary conditions.
That combination of heritage and innovation is one of the strongest aspects of this Gentleman reference.
40mm Stainless-Steel Case
The Tissot Gentleman Open Heart 40mm uses a round 316L stainless-steel case measuring 40 mm × 40 mm.
Its thickness is 11.50 mm, while the lug width measures 21 mm. The complete watch weighs approximately 165 g.
These dimensions provide the watch with a confident but balanced wrist presence.
The 40 mm diameter remains versatile enough for professional and formal environments, while the additional mechanical depth required by the automatic movement and open-heart construction gives the watch a more substantial profile than the quartz Gentleman.
Tissot’s curved lugs help the case follow the wrist naturally, supporting comfortable everyday wear while preserving the elegant silhouette of the collection.
Sapphire Crystal with Anti-Reflective Treatment
The dial of the Tissot Gentleman Open Heart 40mm is protected by sapphire crystal.
For this exact reference, Tissot specifies sapphire crystal with an anti-reflective coating on the underside of the crystal.
Sapphire provides excellent resistance against the scratches associated with regular everyday use.
The anti-reflective treatment is particularly valuable on an open-heart watch because dial clarity is important not only for reading the time but also for appreciating the exposed mechanical architecture.
By reducing distracting reflections, the crystal helps preserve a clearer view of the blue dial, indexes, hands and visible movement underneath.
See-Through Caseback
The mechanical experience continues when the watch is turned over.
Tissot equips the Tissot Gentleman Open Heart 40mm with a see-through caseback, allowing the owner to observe the Swiss automatic movement from the reverse of the case as well.
This creates two different perspectives on the mechanical watchmaking inside.
From the front, the open-heart dial provides a focused glimpse into the movement. From the back, the transparent caseback reveals a broader view of the automatic mechanism.
For someone purchasing their first mechanical Swiss watch, this can significantly enhance the ownership experience.
Rather than simply knowing that an automatic movement is operating inside the case, the wearer can actually observe the mechanics responsible for keeping the watch running.
Quick-Release Stainless-Steel Bracelet
The Tissot Gentleman Open Heart 40mm is fitted with a grey stainless-steel bracelet, reference T605047822, secured by a butterfly clasp with push-buttons.
Tissot also specifies an interchangeable quick-release bracelet system for this model.
This makes changing the appearance of the watch more convenient and gives the Gentleman additional styling flexibility.
The stainless-steel bracelet creates a contemporary blue-and-steel configuration suitable for everyday use, while the ability to change compatible straps gives the owner greater freedom to adapt the watch for different occasions.
100m Water Resistance
Mechanical sophistication does not prevent this Gentleman from being a practical everyday watch.
The Tissot Gentleman Open Heart 40mm is water resistant to 10 bar / 100 metres / 330 feet.
This level of water protection contributes significantly to its versatility.
Many mechanically focused or dress-oriented watches prioritise appearance at the expense of everyday robustness. The Gentleman instead combines its open-heart design with specifications intended for regular use.
Together with sapphire crystal, 316L stainless-steel construction and the steel bracelet, the 100 m rating reinforces the watch’s ability to function as a genuine everyday companion rather than an occasional mechanical showpiece.
Mechanical Watchmaking on Display
The Tissot Gentleman Open Heart 40mm offers something that the conventional Gentleman models deliberately keep hidden: a constant visual reminder of the mechanics powering the watch.
The open-heart dial creates movement and depth without abandoning the clean proportions of the Gentleman collection.
Its Powermatic 80 architecture provides up to 80 hours of autonomy, while Nivachron™ technology adds modern resistance against magnetic influences. Sapphire crystal, 100 m water resistance and stainless-steel construction provide the practical foundation required for everyday ownership.
For someone who appreciates Swiss mechanical watchmaking but wants a watch versatile enough for work, evenings and everyday life, the Tissot Gentleman Open Heart 40mm is an exceptional choice.
A Distinctive Swiss Automatic Gentleman
The Tissot Gentleman Open Heart 40mm combines three qualities particularly effectively: elegance, mechanical character and everyday practicality.
Its blue dial and 40 mm stainless-steel case preserve the refined identity of the Gentleman collection.
The open-heart architecture gives the watch an unmistakably mechanical personality, while the transparent caseback provides another opportunity to appreciate the automatic movement.
An 80-hour power reserve, Nivachron™ technology, sapphire crystal with anti-reflective treatment, 100 m water resistance and a quick-release stainless-steel bracelet complete a specification designed for modern ownership.
For the enthusiast who wants to see Swiss mechanical watchmaking at work without sacrificing versatility, the Tissot Gentleman Open Heart 40mm delivers a particularly compelling combination.
Browse our complete selection of Swiss Made Tissot Watches and discover authentic automatic timepieces for every style and occasion.
Who Is This Watch For?
The Tissot Gentleman Open Heart 40mm is ideal for someone who wants a refined Swiss automatic watch with visible mechanical character.
Its blue open-heart dial gives the watch a more expressive personality than the conventional Gentleman models, while the 40 mm stainless-steel case preserves the balanced proportions and versatility associated with the collection.
The Tissot Gentleman Open Heart 40mm is especially appealing to someone who enjoys seeing how a mechanical watch works. Part of the automatic movement remains visible through the dial, while the transparent caseback provides a second view of the mechanism from behind.
Its Powermatic 80 architecture, up to 80 hours of power reserve, Nivachron™ technology, sapphire crystal and 100 m water resistance make it suitable not only for enthusiasts but also for regular everyday ownership.
Why Choose the Tissot Gentleman Open Heart 40mm?
The defining strength of the Tissot Gentleman Open Heart 40mm is its combination of elegant styling and visible Swiss mechanics.
The open-heart dial allows part of the automatic movement to become a central design feature without compromising the clean identity of the Gentleman collection.
Inside, the Swiss automatic movement provides up to 80 hours of power reserve, giving the watch more than three days of potential autonomy when sufficiently wound. Tissot also equips this reference with its patented Nivachron™ balance spring, designed to improve resistance to everyday magnetic influences.
The blue dial, stainless-steel case and bracelet maintain a sophisticated appearance, while sapphire crystal with anti-reflective treatment improves both durability and dial visibility.
A transparent caseback, 100 m water resistance and quick-release bracelet system further enhance the ownership experience.
For someone seeking a distinctive Swiss automatic that combines mechanical fascination with everyday versatility, the Tissot Gentleman Open Heart 40mm is an exceptional choice.
Why You’ll Love It
- Elegant 40 mm proportions
- Sophisticated blue dial
- Distinctive open-heart architecture
- Swiss automatic movement
- Powermatic 80 technology
- Up to 80-hour power reserve
- Patented Nivachron™ balance spring
- Visible mechanical movement
- Transparent caseback
- Scratch-resistant sapphire crystal
- Anti-reflective coating
- Super-LumiNova® on the hands
- 316L stainless-steel case
- Stainless-steel bracelet
- Interchangeable quick-release system
- Butterfly clasp with push-buttons
- 100 m / 10 bar water resistance
- Swiss Made quality
- Exceptional mechanical character
- Official Tissot international warranty
Technical Specifications
- Reference / SKU: T127.407.11.041.01
- Collection: Gentleman
- Movement: Swiss Automatic
- Movement Family: Powermatic 80
- Winding: Automatic
- Power Reserve: Up to 80 Hours
- Balance Spring: Patented Nivachron™
- Functions: Hours, Minutes, Seconds
- Dial Architecture: Open Heart
- Case Shape: Round
- Case Material: 316L Stainless Steel
- Case Length: 40 mm
- Case Width / Diameter: 40 mm
- Case Thickness: 11.50 mm
- Lug Width: 21 mm
- Weight: 165 g
- Crystal: Scratch-resistant Sapphire Crystal
- Crystal Treatment: Anti-reflective Coating
- Caseback: See-through / Transparent Caseback
- Dial Colour: Blue
- Indexes: Index
- Luminescence: Super-LumiNova® on Hands
- Water Resistance: 10 bar / 100 m / 330 ft
- Bracelet Material: Stainless Steel
- Bracelet Colour: Grey / Stainless Steel
- Bracelet Reference: T605047822
- Bracelet System: Interchangeable Quick Release
- Clasp: Butterfly Clasp with Push-buttons
- Swiss Made: Yes
- Warranty: Official Tissot International Warranty
Why Buy From KG Jewellery?
Purchasing the Tissot Gentleman Open Heart 40mm from KG Jewellery means choosing an authentic Swiss Made automatic watch from an Official Tissot Retailer in Greece.
Every Tissot supplied by KG Jewellery is brand new and accompanied by the official international Tissot warranty. Secure online payments, carefully protected packaging and professional customer support provide confidence throughout your purchase.
When you choose KG Jewellery, you benefit from:
- Official Tissot Retailer in Greece
- 100% Authentic Tissot Watches
- Official International Tissot Warranty
- Original Tissot Presentation Box
- Secure Online Payments
- Fast & Reliable Shipping
- Professional Customer Support
- Carefully Protected Packaging
What’s in the Box?
Your Tissot Gentleman Open Heart 40mm is supplied with:
- Tissot Gentleman Open Heart Powermatic 80 40mm Blue Dial
- Original Tissot Presentation Box
- Official International Tissot Warranty
- Tissot Documentation / User Manual
- Original Stainless-Steel Bracelet
Frequently Asked Questions
Is the Tissot Gentleman Open Heart 40mm automatic?
Yes. The Tissot Gentleman Open Heart 40mm is powered by a Swiss automatic movement from Tissot’s Powermatic 80 family.
What does Open Heart mean on a watch?
An open-heart watch includes an aperture in the dial that allows part of the mechanical movement to remain visible while the watch is being worn.
On the Tissot Gentleman Open Heart 40mm, this visible mechanism becomes one of the defining elements of the design.
Does the Tissot Gentleman Open Heart need a battery?
No. The watch uses a mechanical automatic movement and does not require a conventional quartz battery.
Normal wrist movement winds the movement automatically, and it can also be manually wound.
How long is the power reserve?
The Tissot Gentleman Open Heart 40mm provides up to 80 hours of power reserve when sufficiently wound.
That means the watch can potentially continue running for more than three days when it is not being worn.
What is Nivachron™?
Nivachron™ is Tissot’s patented balance-spring technology designed to improve resistance against magnetic fields that can influence mechanical watch performance.
What size is the Tissot Gentleman Open Heart?
The stainless-steel case measures 40 mm × 40 mm and is 11.50 mm thick.
These proportions give the Tissot Gentleman Open Heart 40mm a substantial yet versatile wrist presence.
How much does the watch weigh?
Reference T127.407.11.041.01 weighs approximately 165 g with its stainless-steel bracelet.
Can you see the movement from the front?
Yes. The open-heart architecture reveals part of the automatic mechanism directly through the blue dial.
Can you see the movement from the back?
Yes. The Tissot Gentleman Open Heart 40mm also features a transparent caseback, providing a broader view of the automatic movement from the reverse of the watch.
Does the watch have sapphire crystal?
Yes. Tissot equips this model with scratch-resistant sapphire crystal featuring anti-reflective treatment.
Why is anti-reflective coating useful?
The coating helps reduce distracting reflections on the crystal, improving dial visibility and making it easier to appreciate the open-heart mechanical architecture.
Does the Tissot Gentleman Open Heart have luminous hands?
Yes. The hands feature Super-LumiNova®, helping improve readability when ambient lighting is reduced.
Is the Tissot Gentleman Open Heart water resistant?
Yes. The Tissot Gentleman Open Heart 40mm is rated to 10 bar / 100 metres / 330 feet of water resistance.
Can the bracelet be changed?
Yes. The stainless-steel bracelet uses an interchangeable quick-release system, allowing compatible alternatives to be fitted more conveniently.
What type of clasp does the bracelet use?
The original stainless-steel bracelet features a butterfly clasp with push-buttons.
Is the Tissot Gentleman Open Heart suitable for everyday wear?
Yes. Sapphire crystal, stainless-steel construction, 100 m water resistance and the extended 80-hour power reserve make the Tissot Gentleman Open Heart 40mm practical enough for frequent everyday wear.
Is an Open Heart watch less durable?
Not inherently. The opening is part of the dial design and remains protected beneath the sapphire crystal. The mechanical movement is still enclosed within the watch case.
Is the Tissot Gentleman Open Heart suitable for business wear?
Yes. Despite its visible movement, the Gentleman retains clean proportions and sophisticated blue-and-steel styling, making it appropriate for professional clothing as well as more relaxed outfits.
Is the Tissot Gentleman Open Heart a good first automatic watch?
Yes. Its Powermatic 80 movement, visible mechanics, extended power reserve, sapphire crystal and Swiss Made construction make the Tissot Gentleman Open Heart 40mm an exceptional first automatic Swiss watch.
Is it suitable as a gift?
Yes. The combination of a blue dial, visible automatic movement and refined Gentleman styling makes the Tissot Gentleman Open Heart 40mm an exceptional gift for birthdays, anniversaries, graduations, professional milestones and other important occasions.
Official Tissot Model Information
Learn more about the Tissot Gentleman Open Heart 40mm and explore the complete manufacturer information for this exact model directly from Tissot.
