Seiko Presage x Automatic ft. Classic Series aka Ai-Iro Men Formal Round 100m Water Resistant Watch SPB525J1 SPB525 SPB-525 SPB-525J1Discover the Seiko Presage SPB525J1 Ai-iro timepiece, featuring a stunning indigo silk-textured dial inspired by traditional Japanese craftsmanship. This 40.2mm automatic watch houses the advanced Caliber 6R55 movement with 72-hour power reserve, protected by sapphire crystal and offering 100m water resistance. The elegant multi-row stainless steel bracelet completes this sophisticated blend of Japanese heritage and modern watchmaking excellence.Caliber Number / Movement6R55 (automatic with manual winding capacity)Power Reserve / AccuracyApproximately 72 hours (+25 to -15 seconds per day)CrystalSapphire crystal (dual-curved, anti-reflective coating)LuminousNilCase / Band MaterialStainless steel (super hard coating) case with stainless steel band (deployment clasp with push-button release)Water Resistance100m / 10 barCase SizeThickness: 13.0 mmDiameter: 40.2 mmLength: 46.0 mmLug width: 20.0 mmOther SpecificationsSeiko Presage x Automatic ft. Classic Series aka Ai-IroMade in JapanMagnetic resistance (4,800 A/m)See-through case backScrew case back24 jewelsDate displayStop second hand function (hacking mechanism)Regular timekeeping (analog display)
