TUDOR Black Bay One 39 S&G Calendar featuring a mono-crystalline silicon balance-spring

featuring a mono-crystalline silicon balance-spring with a power reserve of approximately 72 hours

ensuring clear visibility for a long time

Designed with self-winding movements

Buckle type: Interchangeable quick-release bracelet

TUDOR Black Bay One 39 S&G Calendar featuring a mono-crystalline silicon balance-springThe 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. 39mm steel case, Steel and yellow gold bracelet