The Seiko 5 Sports SRPJ81K1 features a sleek silver-tone stainless steel case and bracelet with a fixed bezel. The black dial showcases luminescent hands, Arabic numerals, and day/date functions. It houses the Seiko Caliber 4R36 automatic movement, has a curved Hardlex crystal, and is water-resistant to 100 meters.
Movement
- Caliber Number
- 4R36
- Movement Type
- Automatic with manual winding
- Power reserve
- Approx. 41 hours
- Jewels
- 24
- Functions
-
- Stop second hand function
- Day/Date display
Case/Band
- Case Material
- Stainless steel
- Case Size
- Thickness:12.5mm
Diameter:36.4mm
Lug-to-lug:44.4mm - Crystal
- Curved Hardlex
- LumiBrite
- Lumibrite on hands and index(es)
- Clasp
- Three-fold clasp with push button release
- Distance between lugs
- 18mm
Other Details
- Water Resistance
- 10 bar
- Weight
- 114.0g
- Features
-
- Three-fold clasp with secure lock
- See-through & Screw case back
