Seiko Prospex x Automatic ft. Marinemaster Men Diver Round 200m Water Resistant Watch SPB187J1 SPB187 SPB-187 SPB-187J1 Explore the Seiko Prospex Marinemaster SPB187J1 - a professional 200m diver watch with 6R35 automatic movement (70-hour power reserve). Featuring a stainless steel case, sapphire crystal, lumibrite markers, and unidirectional bezel. Made in Japan for precision diving performance. Caliber Number / Movement 6R35 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 70 hours (+25 to -15 seconds per day) Crystal Sapphire crystal (anti-reflective coating) Luminous LumiBrite on hands, indexes and bezel Case / Band Material Stainless steel case with stainless steel band (three-fold clasp with secure lock, push-button release with extender) Water Resistance 200m / 660ft diver Case Size Thickness: 12.5 mm Diameter: 42.0 mm Length: 48.8 mm Lug width: 20.0 mm Other Specifications Seiko Prospex x Automatic ft. Marinemaster Made in Japan Unidirectional rotating bezel Screw-down crown Screw case back 24 jewels Date display Stop second hand function (hacking mechanism) Regular timekeeping (analog display)
![[D] SPB187J1](https://cdn.shopify.com/s/files/1/0567/3851/3055/products/09ecc4a31e7e35e0abd5d76ea0e16d2d.jpg?v=1780921835&width=480)
