TUDOR
Ref. M7939G1A0NRU-0003
Black Bay 58 GMT 39mm
Ref. M7939G1A0NRU-0003
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The new Tudor Black Bay 58 GMT 39mm seamlessly blends vintage-inspired design with modern horological innovation. Unveiled at Watches and Wonders Geneva 2026, this latest Black Bay 58 GMT captures the spirit of classic jet-set travel while introducing TUDOR’s new mid-size GMT manufacture calibre, resulting in a noticeably slimmer and more refined profile than previous GMT models.
Defined by its striking burgundy-and-black colour palette, the Black Bay 58 GMT has quickly attracted attention from watch enthusiasts around the world. The watch features an iconic bidirectional rotating bezel with crisp, precise clicks, a subtle nod to TUDOR’s historic dive watches. Another vintage-inspired detail is the distinctive “lollipop” seconds hand, a feature sure to be appreciated by keen-eyed collectors and enthusiasts alike.Beyond its aesthetic appeal, the Black Bay 58 GMT also delivers significant technical advancements. Its manufacture movement is both METAS Master Chronometer and COSC certified, demonstrating exceptional standards of precision, reliability, and performance. This particular model is paired with a beautifully executed five-link stainless steel bracelet, combining retro charm with modern comfort. It also features TUDOR’s patented T-fit clasp, allowing for quick and tool-free micro-adjustments to ensure the perfect fit throughout the day.
| Brand | TUDOR |
|---|---|
| Product Reference | M7939G1A0NRU-0003 |
| Product Type | Watch |
| Collection | Black Bay |
| Sub-collection | Black Bay 58 |
| Case Diameter | 39mm |
| Case Material | Stainless Steel |
| Dial Colour | Black |
| Crystal | Sapphire |
| Strap Type | Bracelet |
| Clasp Type | T-Fit Clasp |
| Strap Material | Stainless Steel |
| Movement | Manufacture Calibre MT5450-U (COSC and METAS certified) |
| Power Reserve | 65 Hours |
| Water Resistance | 200m / 660ft |
| Warranty | 5 Years |
| Michael Spiers ID | 007-4094 |
Delivery is made by Royal Mail Special Delivery and should reach you within 1-3 working days, excluding Bank Holidays and weekends.
Size Guide
Choosing the right ring size ensures maximum comfort and the perfect fit. If you already own a ring that fits well, you can easily use it as a reference. Otherwise, follow the simple options below to find your correct size.
If you do not know your ring size, we recommend visiting one of our showrooms, where our friendly and knowledgeable team can help you find the right ring size for you.
Request an AppointmentUK Ring Size Chart
| Size | UK Size |
|---|---|
| 01 | B |
| 02 | D |
| 03 | E-F |
| 04 | F |
| 05 | F-G |
| 06 | G |
| 07 | H |
| 08 | I |
| 09 | J |
| 10 | J-K |
| 11 | K-L |
| 12 | L |
| 13 | M-N |
| 14 | N-O |
| 15 | O-P |
| 16 | P |
| 17 | Q |
| 18 | Q-R |
| 19 | R |
| 20 | S |
| 21 | S-T |
| 22 | T-U |
| 23 | U-V |
| 24 | V |
| 25 | W |
| 26 | X |
| 27 | X-Y |
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