Seiko Prospex SFJ001 Speedtimer Chronograph Split Second Silver Dial Bulova Reference H13431553

Reference H13431553

Distance Between Lugs: 20

Buckle Width: 16mm

Designed with a two-tone stainless steel case and gray dial with luminous hand and encased in sapphire crystal

The Laco Pilot Watches Original are authentic reconstructions of the observation watches from the 1940s

Seiko Prospex SFJ001 Speedtimer Chronograph Split Second Silver Dial Bulova Reference H13431553Caliber 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