Seiko Prospex SFJ001 Speedtimer Chronograph Split Second Silver Dial 5 Sports Since 2005

Since 2005

Case Back: See-through & Screw case back

even when worn on the outside of the space suit

Luminescent plots at each hour and fill in the hands allow for exceptional legibility in every environment

Seiko Prospex SFJ001 Speedtimer Chronograph Split Second Silver Dial 5 Sports Since 2005Caliber Number 8A50 Movement Type Solar Precision 15 seconds per month Power reserve Operating for approx. 6 months (when fully charged) Case Band Case Size Thickness: 12. 9mm 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 Other Details Water Resistance 10 bar Weight 152. 0g Features Split Second