TUDOR Black Bay 41 S&G M79683-0001 Gold Estate Jewelry a quartz movement that sits

a quartz movement that sits behind a vertically-brushed caseback that has been stamped with the Constellation Observatory medallion

Natural blue zircon

or "pounced ornament"

The black ceramic unidirectional rotating divers’ bezel

TUDOR Black Bay 41 S&G M79683-0001 Gold Estate Jewelry a quartz movement that sits41 mm steel case, Steel and yellow gold bracelet Case: 41 mm steel case with polished and satin finish Bezel: Fixed bezel in yellow gold Movement: Manufacture Calibre MT5601 (COSC) Self winding mechanical movement with bidirectional rotor system Dial: Black Winding Crown: Yellow gold screw down winding crown with the TUDOR rose in relief Crystal: Flat sapphire crystal Bracelet: Steel and yellow gold bracelet, polished and satin finish, with steel T