Seiko Presage x Automatic ft. Classic Series aka Shiro-Iro Men Formal Round 100m Water Resistant Watch SPB478J1 SPB478 SPB-478 SPB-478J1 Discover a stunning timepiece that combines elegance and functionality. This watch boasts a unique dial inspired by unbleached Japanese silk, featuring a sophisticated two-tone design with luxurious gold accents. The vintage-style curved sapphire crystal enhances its beauty, while the comfortable seven-piece bracelet adds a retro flair. Powered by the reliable 6R55 caliber, it ensures a three-day power reserve for your busy lifestyle. Caliber Number / Movement 6R55 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 72 hours (+25 to -15 seconds per day) Crystal Sapphire crystal (dual-curved, anti-reflective coating) Luminous Nil Case / Band Material Stainless steel (super hard coating) case with stainless steel band (deployment clasp with push-button release) Water Resistance 100m / 10 bar Case Size Thickness: 13.0 mm Diameter: 40.2 mm Length: 46.0 mm Lug width: 20.0 mm Other Specifications Seiko Presage x Automatic ft. Classic Series aka Shiro-Iro Made in Japan See-through case back Screw case back 24 jewels Date display Stop second hand function (hacking mechanism) Regular timekeeping (analog display)