Seiko 5 Sports x Automatic ft. Field Series aka HUF II (Limited Edition of 7,000 Pieces) Men Formal Round 100m Water Resistant Watch SRPM09K1 SRPM09 SRPM-09 SRPM-09K1 Discover the Seiko 5 Sports x HUF II Limited Edition SRPM09K1, a 7,000-piece collaboration blending skate culture with horological heritage. Inspired by the 1970s Time Sonar, this Field Series watch features an exclusive semi-transparent HUF-green dial, the HUF logo at 6, and a 39.4mm stainless steel case. Powered by the automatic 4R36 caliber with 41-hour power reserve, 100m water resistance, and hardlex crystal. Complete with special collaborative packaging and novelty gift. Caliber Number / Movement 4R36 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 41 hours (+45 to -35 seconds per day) Crystal Hardlex crystal (curved) Luminous LumiBrite on hands and indexes Case / Band Material Stainless steel case with stainless steel band (three-fold clasp with secure lock, push-button release) Water Resistance 100m / 10 bar Case Size Thickness: 13.2 mm Diameter: 39.4 mm Length: 48.1 mm Lug width: 20.0 mm Other Specifications Seiko 5 Sports x Automatic ft. Field Series aka HUF II (Limited Edition of 7,000 Pieces) LIMITED EDITION on the case back Serial number engraved on the case back Magnetic resistance (4,800 A/m) See-through back case Screw case back 24 jewels Day and date display Stop second hand function (hacking mechanism) Regular timekeeping (analog display)