Tudor
Tudor Black Bay 58
Tudor
M7939A1A0NU
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Details & Specifications
Description:
The Tudor Black Bay 58 reference M7939A1A0NU-0001 pays tribute to Tudor's original 1958 divers' watch, distilled into a compact, well-balanced 39mm case that closely mirrors the proportions of the vintage original. The matte black dial is set with the "snowflake" hour markers and hands that have become synonymous with the Black Bay collection, finished with warm creamy Super-LumiNova for a subtly vintage glow. A black unidirectional rotating bezel with matte ceramic insert frames the dial, while the case is water resistant to 200m. Powered by the Manufacture Calibre MT5400-U, this METAS-certified Master Chronometer movement combines COSC chronometer certification with additional testing for magnetic resistance, precision, and power reserve, delivering approximately 70 hours of autonomy. The watch is fitted on Tudor's steel Oyster-style bracelet.
Specifications:
| Movement | |
| Type | Automatic, self-winding, METAS-certified Master Chronometer |
| Calibre | MT5400-U |
| Power Reserve (h) | Approx. 70 hours |
| Frequency | 4 Hz (28,800 vph) |
| Functions | Hours, minutes, seconds |
| Case | |
| Case Material | Stainless Steel |
| Case Diameter | 39 mm |
| Water Resistance | 200 m / 660 feet |
| Bezel | Unidirectional rotatable, matte black ceramic insert |
| Crystal | Domed Sapphire Crystal |
| Crown | Screw-Down, Stainless Steel |
| Case Back | Solid, Stainless Steel |
| Dial Colour | Matte Black |
| Dial Indicators | "Snowflake" hour markers and hands with creamy Super-LumiNova |
| Bracelet | |
| Bracelet Material | Stainless Steel |
| Clasp | Folding Clasp with T-fit micro-adjustment and safety catch |
| Clasp Material | Stainless Steel |

