TUDOR Black Bay 41mm Master Chronometer Watch-Ref. M7941A1A0NU-0003

The Definitive Evolution of a Modern Diving Icon

Embrace the cutting edge of Swiss mechanical watchmaking with the Tudor Black Bay 41mm. Representing the latest evolution of the legendary Black Bay line, this Master Chronometer timepiece perfectly balances technical sophistication with the rugged spirit of classic mid-century dive watches. It features a clean, matte-black dial styled with a subtle, domed profile that provides a high-contrast canvas for Tudor's signature "Snowflake" hands and applied, luminous hour indexes. A striking monochromatic look is achieved by framing the dial with a matching deep black unidirectional rotating bezel equipped with a 60-minute graduated aluminum insert.

The 41mm stainless steel case showcases an elegant, vintage-inspired silhouette with alternated satin-brushed lines and polished mirror bevels. Designed for exceptional comfort and style, this reference is mounted on a highly fluid five-link stainless steel bracelet that features a mix of polished and brushed finishes. The bracelet is equipped with Tudor’s innovative "T-fit" safety clasp, allowing for quick, on-the-fly micro-adjustments up to 8mm without any tools to ensure a perfect fit in any environment.

Beneath the domed sapphire crystal lies the powerhouse Manufacture Calibre MT5602-U. This self-winding mechanical movement is officially certified as a Master Chronometer by METAS, meaning it has successfully passed rigorous testing to withstand magnetic fields up to 15,000 gauss and guarantee an accuracy within a tight 5-second range (0/+5) per day. Equipped with a bidirectional rotor system, a silicon balance spring, and a weekend-proof 70-hour power reserve, this 200-meter water-resistant watch stands as a pinnacle of everyday utility and timeless design.

Product Specifications

• Brand: Tudor

• Collection: Black Bay

• Reference Number: M7941A1A0NU-0003

• Movement Type: Manufacture Calibre MT5602-U (Self-winding mechanical with bidirectional rotor system)

• Certification: METAS Master Chronometer & COSC Certified

• Power Reserve: Approximately 70 hours

• Case Material: Stainless Steel with polished and satin finishes

• Case Diameter: 41.0 mm

• Bezel: Unidirectional rotatable bezel in stainless steel with 60-minute graduated disc in black anodized aluminum

• Dial Color: Black, domed

• Crystal: Domed sapphire crystal

• Winding Crown: Stainless steel screw-down crown with the TUDOR rose in relief

• Bracelet: Five-link stainless steel bracelet with polished and satin finishes, complete with TUDOR “T-fit” folding clasp and safety catch

• Water Resistance: 200 meters / 660 feet (20 bar)