Seiko Prospex SFJ003 Speedtimer Chronograph Black Dial engineer and so it was natural

and so it was natural that Richard should contact SEIKO as soon as his mission was arranged

Selectable measurement interval: 5 seconds or 2 minutes

Strap Reference : H6002441011

Underneath an anti-reflective sapphire crystal

Hands: Lumibrite on hands and index(es)

Seiko Prospex SFJ003 Speedtimer Chronograph Black Dial engineer and so it was naturalCaliber 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