Seiko Prospex x Automatic ft. 1970 Heritage aka Captain Willard Reissue Men Diver Tonneau 200m Water Resistant Watch SPB151J1 SPB151 SPB-151 SPB-151J1 Explore the Seiko SPB151J1, known as the Captain Willard for its bold dial and rugged design inspired by Seiko iconic 1970s dive watches. Featuring a 42.7mm stainless steel case, 200m water resistance, and the reliable 6R35 movement, this modern reissue honors Seiko adventurous legacy. A standout for collectors and dive watch enthusiasts! Caliber Number / Movement 6R35 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 70 hours (+25 to -15 seconds per day) Crystal Sapphire crystal (curved, 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: 13.2 mm Diameter: 42.7 mm Length: 46.6 mm Lug width: 20.0 mm Other Specifications Seiko Prospex x Automatic ft. 1970 Heritage aka Captain Willard Reissue 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)