In the 1960s, Seiko announced itself on the international sports timing stage with a whole new generation of high-precision equipment endorsed by international sports federations at many of the world’s leading sports events, the Speedtimer designs recognise this timekeeping heritage.

Prospex timepieces are practical, reliable and durable within extreme or everyday environments, for sports lovers and adventure seekers alike.

Movement
- Accuracy: ±15 seconds per month (±1 second per day)
- Calibre: V192
- Movement Type: Quartz Solar

Watch Case
- Case Material: Stainless Steel
- Case Thickness: 13.3mm
- Case Diameter: 39.0mm
- Case Length: 45.5mm
- Lug Width: 20.0mm

Exterior
- Dial Colour: Black, Grey
- LumiBrite: Lumibrite on hands and indexes
- Clasp: Three-fold clasp with push button release
- Strap/Bracelet: Stainless Steel

Other Specifications
- Water Resistance: 10 bar
- Crystal Type: Curved Sapphire Crystal

Other Specifications:
- Tachymeter function