TUDOR Black Bay One 41 FeaturedBlackBay The mono-crystalline silicon balance-spring provides

The mono-crystalline silicon balance-spring provides a substantial power reserve of approximately 72 hours

Jewel Bearings: Equipped with 35 jewels

and historical significance

Grand Seiko Heritage Collection GMT Spring Drive 41MM Watch

TUDOR Black Bay One 41 FeaturedBlackBay The mono-crystalline silicon balance-spring providesThe Black Bay 31, 36, 39 and 41 bring a more formal feel to the Black Bay models. Like other models in the Black Bay line, they feature a dial inspired by the TUDOR divers watches produced during the 1950s. These contemporary models boast characteristics of the first generation of TUDOR divers watches. 41mm steel case, Steel bracelet