As part of the Seiko 5 Sports “Retro Color” series, this model is a standout choice for collectors and watch enthusiasts who want a vintage Seiko aesthetic with modern performance. SPECS: Case Case Material: Stainless Steel Case Size: Thickness: 12.5mm Diameter: 37.4mm Length: 44.7mm Crystal: Curved Hardlex LumiBrite: LumiBrite on Hands and Indexes Clasp: Three-fold Clasp with Push-Button Release Lug Width: 18 Movement Movement: Caliber Number 4R36 Movement Type: Automatic with manual winding capability Power Reserve: Approx. 41 hours Number of Jewels: 24 Functions: Half-seconds function; Day/Date display Other details Water resistance: 10 bar Magnetic resistance: 4,800 A/m Weight: 125.0 g Features: Transparent case back / Screw-down case back; Three-fold closure with push-button opening Warranty: SELLER'S warranty 1 Year