Seiko Prospex x Solar ft. Speedtimer aka Datsun 240Z (Limited Edition of 4,000 Pieces) Men Formal Round 100m Water Resistant Watch SSC957P1 SSC957 SSC-957 SSC-957P1 Discover the limited edition Seiko Prospex Speedtimer Solar Chronograph, celebrating the historic 1971 Datsun 240Z rally victory. Features a solar-powered V192 movement with 6-month power reserve, +/-15 sec/month accuracy, tachymeter bezel, and dashboard-inspired design with Datsun logo. Includes engraved case back and special packaging. Caliber Number / Movement V192 (solar powered) Power Reserve / Accuracy Approximately 6 months when fully charged (+/-15 seconds per month) Crystal Sapphire crystal (curved, anti-reflective coating) Luminous LumiBrite on hands and indexes Case / Band Material Stainless steel case with stainless steel band (three-fold clasp with push-button release) Water Resistance 100m / 10 bar Case Size Thickness: 13.3 mm Diameter: 41.4 mm Length: 45.9 mm Lug width: 21.0 mm Other Specifications Seiko Prospex x Solar ft. Speedtimer aka Datsun 240Z (Limited Edition of 4,000 Pieces) LIMITED EDITION on the case back Serial number engraved on the case back Magnetic resistance (4,800 A/m) Screw case back Power reserve indicator Overcharge prevention function Date and 24-hour display Chronograph up to 60 minutes in 1/5-second increment Equipped with small second hand Regular timekeeping (analog display)