Tudor , Black Bay GMT of steel, ref. 79830RB. Mechanical movement with automatic winding, GMT and date indications, cal. MT5652. Tudor bracelet of steel. Circumference app. 20 cm. Ø 41 mm. 2021., Accompanied by Tudor box, manual and certificate from 2021., Minor wear due to age and use. The watch works, but we do not guarantee for the functionality.