Citizen General x Automatic ft. Tsuyosa 60 Men Formal Tonneau 50m Water Resistant Watch NK0022-50A NK0022 NK-0022 Citizen NK0022-50A, the Tsuyosa 60 automatic watch with a gold-plated 40mm stainless steel case and exhibition case back. Features a white guilloche-textured dial, applied indices, date magnifier, and a five-link Jubilee-style bracelet. Powered by the in-house Caliber 8310 with 60-hour power reserve, hacking seconds, and hand-winding. Caliber Number / Movement 8310 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 60 hours (+40 to -20 seconds per day) Crystal Sapphire crystal with magnifier Luminous Luminous on hands and indexes Case / Band Material Stainless steel case with stainless steel band (deployment clasp with push-button release) Water Resistance 50m / 5 bar Case Size Thickness: 12.4 mm Diameter: 40.0 mm Length: 45.0 mm Lug width: Integrated Other Specifications Citizen General x Automatic ft. Tsuyosa 60 See-through back case Screw case back 21 jewels Date display Stop second hand function (hacking mechanism) Regular timekeeping (analog display)