Prospex Speedtimer Solar Chronograph. Designed for those who treat life as the ultimate adventure, Seiko Prospex keeps moving forward, meeting every challenge with technological excellence and winning design. This dramatic watch is part of a high-intensity collection inspired by the 1969 “Speedtimer,” the world’s first self-winding chronograph.

Caliber Number: V192
Movement Type: Solar
Precision: ±15 seconds per month
Power reserve: Operating for approx. 6 months (when fully charged)

Functions:
- Overcharge prevention function
- 24-hour hand
- Equipped with small seconds hand
- Chronograph up to 60 minutes in 1/5 second increments
- Power reserve indicator
- Date display

Case Material: Stainless steel
Case Size:
- Thickness: 13.3mm
- Diameter: 39.0mm
- Lug-to-lug: 45.5mm

Crystal: Curved sapphire crystal
Crystal Coating: Anti-reflective coating on inner surface
LumiBrite: LumiBrite on hands and index(es)
Clasp: Three-fold clasp with push button release
Distance between lugs: 20

Water Resistance: 10 bar
Weight: 161.0g

Features:
- Tachymeter function
- Screw case back