Eterna 1935 Eterna-Matic Grande Men's Black Leather Strap Swiss Automatic Watch 8492.41.44.1261 Brushed and polished stainless steel rectangular shaped case (37 mm x 29 mm, 10 mm thick), Sapphire crystal screw-in case-back Black dial with line guilloche frame and applied Eterna logo beneath the 12 o'clock position Silver-tone luminescent hands, Sweep seconds hand, Silver-tone applied Arabic numerals, Date window at the 6 o'clock position Scratch resistant sapphire crystal, Swiss automatic movement, Caliber SW 200-1, Power reserve of 38 hours Water resistant to 3 ATM/30 meters/99 feet, Black crocodile leather strap with white stitching, Pin buckle, Fits a 7 to 8 1/2 inch wrist