Baume & Mercier Hampton 10672 AUTOMATIC WATCH - 43X27MM The self-winding version reveals an opaline and grained silver dial. Its riveted black ruthenium Arabic numerals and indexes offer an even more vintage character. The black ruthenium “glaive” hands gracefully sweep along the delicate black-and-gray minute track. The sapphire back reveals refined watchmaking decorations along the movement, which offers 38 hours of autonomy. Features Automatic, self-winding watch Power reserve: 38 hour(s) Water resistance: 5 ATM (approx. 50 m) Sapphire crystal case back Movement Swiss Made ETA 2671 Energy Automatic, self-winding Frequency 28800.0vph/4.0hz Number of Rubies 21 Case Shape Rectangular Size Width: 27.5 mm x Length: 43.0 mm Thickness 9.95 mm Material And Finishes Steel, Polished Case Back Sapphire crystal case back, With screw Dial Colours and Finishes Silver-colored, Opaline Numerals Arabic numerals, Riveted numerals Indexes Riveted indexes Hands Black, Sword-shaped Strap Material Steel, Polished/satin-finished