Pre-owned Swiss Made analog men's watch, Oyster Perpetual 36 series, automatic chronometer movement (31 jewels, 28800 vph, 48hr power reserve), silver-tone stainless steel case, silver-tone stainless steel oyster bracelet with fold over clasp and safety release, fixed silver-tone stainless steel bezel, silver-tone dial with luminous hands and index hour/minute markers, sapphire crystal with screw down crown, solid case back, 36mm diameter, analog display with second hand, water resistant to 100 meters (330 feet), functions: hour, minute, second, chronometer.