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The Seiko 5 Sports SRPK31K1 combines five decades of horological excellence with contemporary design. Powered by the reliable 4R36 automatic movement with manual winding capability, this timepiece delivers approximately 41 hours of power reserve and maintains accuracy within +45 to -35 seconds per day. Built for durability, the 38mm stainless steel case features a Hardlex crystal and 10 bar water resistance, making it suitable for everyday wear and water activities. The unidirectional rotating bezel, three-fold clasp with secure lock, and see-through screw case back showcase both functionality and craftsmanship. Practical features include a stop second hand function, day/date display, and Lumibrite coating on hands and indices for visibility in low light. At just 120g, this watch balances presence with comfort, while the 44.2mm lug-to-lug measurement ensures versatile wrist compatibility. A modern reinterpretation of a legendary collection, the SRPK31K1 offers the reliability, durability, and value that have made Seiko 5 Sports a favorite among mechanical watch enthusiasts worldwide.
| Calibre | 4R36 |
| Movement Type | Automatic with manual winding |
| Power Reserve | Approx. 41 hours |
| Accuracy | +45 to -35 seconds per day |
| Case Material | Stainless steel |
| Glass Material | Hardlex |
| Water Resistance | 10 bar |
| Case Diameter | 38.0mm |
| Case Thickness | 12.1mm |
| Lug-to-Lug | 44.2mm |
| Clasp Type | Three-fold clasp with push button release |
| LumiBrite | Lumibrite on hands and index(es) |
| Functions | Stop second hand function, Day/Date display |
| Features | Unidirectional rotating bezel, Three-fold clasp with secure lock, See-through & Screw case back |
| Weight | 120g |
