Seiko Prospex SFJ003 Speedtimer Chronograph Black Dial engineer This analog-digital combination watch delivers

This analog-digital combination watch delivers a more comfortable fit and outstanding durability with a robust exterior incorporating a guarding structure built with metal components

Selectable measurement interval: 5 seconds or 2 minutes

The robust silver-tone stainless steel exterior ensures up to 200 meters of water resistance

Movement Type

Underneath an anti-reflective sapphire crystal

Seiko Prospex SFJ003 Speedtimer Chronograph Black Dial engineer This analog-digital combination watch deliversCaliber 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