Seiko 5 Sports x Automatic ft. Field Series Men Formal Round 100m Water Resistant Watch HDB006K1 HDB006 HDB-006 HDB-006K1 Equip your wrist for any terrain with the Seiko 5 Sports field series, featuring a bidirectional compass bezel and a glossy dial for effortless navigation. It includes full Arabic numerals coated in LumiBrite for exceptional low-light visibility. Housed in a 41mm stainless steel case with day-date display, this versatile timepiece transitions seamlessly from outdoor adventures to daily wear. 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, indexes and bezel 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: 41.0 mm Length: 48.5 mm Lug width: 20.0 mm Other Specifications Seiko 5 Sports x Automatic ft. Field Series Magnetic resistance (4,800 A/m) Bidirectional rotating bezel See-through case back Screw case back 24 jewels Day and date display Stop second hand function (hacking mechanism) Regular timekeeping (analog display)