Silver-tone stainless steel case with a black leather strap. Fixed silver-tone stainless steel bezel. Galvanized; blue dial with silver-tone hands and index hour markers. Minute markers. world time cities around the outer rim. Dial Type: Analog. Small seconds and 24-hour indicator subdials. Nomos Calibre DUW 5201 automatic movement with a 42-hour power reserve. Scratch resistant sapphire crystal. Pull / push crown. Transparent case back. Round case shape, case size: 39.9 mm, case thickness: 10.85 mm. Tang clasp. Water resistant at 30 meters / 100 feet. Functions: second time zone, hour, minute, second, world time. Additional Info: leather strap is made of shell cordovan. Casual watch style. Watch label: Made in Germany. Nomos Zurich Weltzeit Nachtblau Blue Dial Mens Watch 807.