Automatic Chronometer movement, Swiss Calibre 8806 engine (55 hours power reserve), White dial with polished black hands and Arabic numeral hour markers including minute markers and outer pulse reader ring, Green perforated leather strap with polished stainless steel tang clasp, Brushed and polished stainless steel case measuring 39.5mm diameter and 11.8mm thickness, Smooth bezel design, Scratch resistant sapphire crystal lens, Round case shape, Power Reserve display visible through screw-in sapphire exhibition back (transparent), Functions: hour, minute, second, Push-Pull crown operation, Water resistant to 60 meters / 200 feet depth.