Seiko Prospex x Automatic ft. Professional Marinemaster aka Asia Exclusive (Limited Edition of 300 Pieces) Men Diver Round 300m Water Resistant Watch SLA045J1 SLA045 SLA-045 SLA-045J1 Introducing the Seiko Prospex marinemaster, a limited edition diver watch exclusive to Asia, with only 300 pieces available. It boasts 300m water resistance, a stainless steel case, and a ceramic bezel. Powered by the 8L35 automatic movement, it offers a 50-hour power reserve and precise timekeeping. The sapphire crystal ensures clarity, while lumibrite enhances low-light visibility. With a stylish design and an extra silicone strap, this watch is ideal for diving and everyday wear. Caliber Number / Movement 8L35 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 50 hours (+15 to -10 seconds per day) Crystal Sapphire crystal (anti-reflective coating) Luminous LumiBrite on hands, indexes and bezel Case / Band Material Stainless steel case, ceramic bezel insert with stainless steel band (three-fold clasp with secure lock, push-button release with slide extender) Water Resistance 300m / 1,000ft diver Case Size Thickness: 15.4 mm Diameter: 44.3 mm Length: 50.5 mm Lug width: 20.0 mm Other Specifications Seiko Prospex x Automatic ft. Professional Marinemaster aka Asia Exclusive (Limited Edition of 300 Pieces) Made in Japan Additional silicone strap inclusive LIMITED EDITION on the case back Serial number engraved on the case back 28,800 vibrations per hour (8 beats per second) Unidirectional rotating bezel One-piece structure Screw-down crown 26 jewels Date display Stop second hand function (hacking mechanism) Regular timekeeping (analog display)