Stainless steel case with a black leather strap. Fixed stainless steel bezel. Galvanized; ruthenium-plated dial with silver-tone hands and alternating Arabic numeral and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Date display at the 6 o'clock position. Small second sub-dial above the 6 o'clock position. Automatic movement with a 43-hour power reserve. Scratch resistant sapphire crystal. Transparent case back. Case size: 38.3 mm. Case thickness: 8.3 mm. Round case shape. Band width: 20 mm. Tang clasp. Water resistant at 30 meters / 100 feet. Functions: date, hour, minute, second. Additional Info: leather strap is made of horween genuine shell cordovan. Casual watch style. Watch label: Made in Germany. Nomos Tangomat Ruthenium Datum Deep Black Dial Mens Watch 604.