TUDOR Black Bay One 36 36mm
4.350€ Ref. M79640-0002
The TUDOR Black Bay One 36 M79640-0002 is a Swiss-made unisex automatic watch featuring a 36 mm stainless steel case, a flat sapphire crystal, …
Estimated date: November of 2026. Contact for urgent availability.
TUDOR Black Bay One 36 36mm
The TUDOR Black Bay One 36 M79640-0002 is a Swiss-made unisex automatic watch featuring a 36 mm stainless steel case, a flat sapphire crystal, 100-metre water resistance (330 ft), and the COSC-certified TUDOR Manufacture Calibre MT5400 with an approximate 70-hour power reserve. It features a blue dial, a stainless steel bracelet with the TUDOR “T-fit” system, a screw-down winding crown, and a design inspired by the Black Bay collection, combining elegance, precision, and sporty character.
Description
TUDOR Black Bay One 36 M79640-0002
The TUDOR Black Bay One 36 M79640-0002 is a Swiss-made unisex automatic watch that combines timeless elegance with the sporty spirit that defines the Black Bay collection. Designed to suit a wide range of styles and wrist sizes, this model features a perfectly proportioned 36 mm stainless steel case, a sophisticated blue dial, and robust construction, making it a versatile timepiece for everyday wear.
Inspired by TUDOR’s diving watch heritage, the Black Bay One 36 incorporates the brand’s signature design elements, reinterpreted with a contemporary aesthetic. Its polished and satin-brushed finishes create a watch that is elegant, durable, and unmistakably TUDOR.
Classic Design with a Sporty Spirit
The TUDOR Black Bay One 36 features a 36 mm stainless steel case with a slim 10.5 mm profile, ensuring exceptional comfort on the wrist and balanced proportions suitable for both men and women.
Its blue dial adds depth and character while providing outstanding legibility through carefully designed hour markers. The dial is protected by a flat sapphire crystal, offering excellent scratch resistance and preserving the watch’s appearance for years to come.
A polished and satin-brushed stainless steel bezel completes the design, reinforcing the visual identity of the Black Bay family with its distinctive blend of traditional watchmaking and sporty character.
COSC-Certified TUDOR Manufacture Calibre MT5400
At the heart of the TUDOR Black Bay One 36 M79640-0002 beats the Manufacture Calibre MT5400, a self-winding mechanical movement developed by TUDOR to deliver exceptional precision, durability, and reliability.
Officially certified by the COSC (Contrôle Officiel Suisse des Chronomètres), the movement guarantees outstanding chronometric performance. Its bidirectional rotor ensures efficient winding, while the approximately 70-hour power reserve provides excellent autonomy.
Thanks to its robust Swiss engineering and advanced construction, this movement is designed to deliver consistent performance day after day.
Stainless Steel Bracelet with the TUDOR “T-fit” System
The Black Bay One 36 is fitted with a stainless steel bracelet featuring polished and satin-brushed finishes, offering the perfect balance of elegance, durability, and comfort.
Its folding safety clasp incorporates the TUDOR “T-fit” rapid adjustment system, allowing the bracelet to be adjusted quickly and easily for a precise and comfortable fit.
This design makes the watch exceptionally versatile, equally suited to formal occasions and more casual everyday wear.
Everyday Functionality and Reliability
The TUDOR Black Bay One 36 M79640-0002 is built for modern lifestyles. Its screw-down winding crown embossed with the TUDOR rose enhances durability while contributing to 100-metre water resistance (330 ft).
The combination of water resistance, a sapphire crystal, and a COSC-certified movement ensures a reliable timepiece ready to perform in a variety of everyday situations.
A Versatile Watch with the Black Bay Spirit
The TUDOR Black Bay One 36 is an elegant and contemporary interpretation of TUDOR’s most iconic collection. Its compact dimensions, blue dial, Manufacture automatic movement, and stainless steel bracelet make it the ideal choice for those seeking a Swiss-made watch with character and versatility.
Why Choose the TUDOR Black Bay One 36 M79640-0002?
The TUDOR Black Bay One 36 M79640-0002 is perfect for those who appreciate Swiss watchmaking precision, timeless design, and exceptional comfort. Its COSC-certified automatic Manufacture movement, approximately 70-hour power reserve, 100-metre water resistance (330 ft), and styling inspired by the Black Bay collection make it a distinctive and highly versatile timepiece.
Designed for those seeking elegance, functionality, and the renowned quality of TUDOR.
Additional information
| Brand reference | 79640-0002 |
|---|---|
| Gender | Ladies, Men |
| Style | Sport |
| Movement | Automatic |
| Case | 36 mm |
| Case material | Steel |
| Color de esfera | Blue |
| Crystal | Sapphire |
| Waterproofness | 10 bar |
| Approx. power reserve | 70 hours |
| Functions | Hours, Minutes, Seconds |
| Strap material | Steel |
| Warranty | 5 years |
| Reference | RTA0952 |
| Brand | TUDOR watches |
| Collection | Tudor Black Bay, Tudor Black Bay One |






