Seiko Prospex SFJ003 Speedtimer Chronograph Black Dial

Caliber Number: 8A50

Movement Type: Solar

Precision: ±15 seconds per month

Power Reserve: Operating for approx. 6 months (when fully charged)

Case Thickness: 12.9mm

Case Diameter: 42.0mm

Lug to Lug: 48.3mm

Crystal: Curved sapphire crystal

Crystal Coating: Anti-reflective coating on inner surface

LumiBrite: Lumibrite on hands and index(es)

Distance between Lugs: 20mm

Water Resistance: 10 bar

Weight: 152.0g