Stainless steel/black PVD sandblasted - Case back: Srew on - Crystal: Sapphire glass - Clasp: Buckle - Strap: Black Leather - Movement: Swiss made automatic 27 jewels (ETA 2895-2) - Warranty: 2 years Crown: Screw down - Indicators: luminescent Needles and indices Special features: Powerful rectangular lens over the Day Date window and hours, minutes, Chronograph 60s, counters 30min and 12hrs, small second at 9h and 48 hour power reserve.