. Stainless steel case with a black leather (red backed) strap. Rotating stainless steel bezel with a black top ring. Black dial with luminous silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 3 o'clock position. Alpina calibre AL-525 automatic movement with a 38-hour power reserve. Scratch resistant convex sapphire crystal. Screw down crown. Solid case back. Case size: 44 mm, case thickness: 13.5 mm. Round case shape. Band width: 20/22 mm. Tang clasp. Water resistant at 100 meters / 330 feet. Functions: date, hour, minute, second. Additional Info: : in general, suitable for swimming and snorkeling, but not diving. Dress watch style. Watch label: Swiss Made. Alpina Alpiner 4 Automtic Black Dial Men's Watch AL-525BR5AQ6.