Seiko SPB481J1

General
- Model: SPB481J1
- Collection: Prospex
- Series: Sea

Movement
- Caliber Number: 6R55
- Movement Type: Automatic with manual winding
- Precision: +25 to -15 seconds per day
- Power reserve: Approx. 72 hours (3 days)
- Jewels: 24
- Functions: Stop second hand function, Date display

Case/Band
- Case Material: Stainless steel
- Case Thickness: 12.5mm
- Case Diameter: 41.3mm
- Lug-to-lug: 48.2mm
- Crystal: Sapphire crystal
- Crystal Coating: Anti-reflective coating on inner surface
- LumiBrite: LumiBrite on hands, index(es) and bezel
- Band Material: Stainless steel
- Clasp: Three-fold clasp with secure lock , push button release with extender
- Lug width: 20mm

Other Details
- Water Resistance: 300m / 1000ft diver's
- Magnetic Resistance: 4,800 A/m
- Weight: 179.0g
- Features: Unidirectional rotating bezel, Screw-down crown, Screw case back