TUDOR BLACK BAY GMT Brand Tudor Model (Watch) Black Bay GMT Reference number 79830RB Winding Automatic Case material Steel Strap material Steel Year of production 2021 Kit With original box and original documents Caliber Winding Automatic Case Case material Steel Diameter 41 mm Waterproof 20 ATM Bezel material Steel Glass Sapphire glass Dial Black Strap Strap material Steel Strap color Steel Folding clasp Clasp material Steel
