Seiko Prospex Speedtimer Mechanical Chronograph 42 MM LE Watch SRQ049J1 Nike auto/manual lap times

auto/manual lap times

Self-winding mechanical movement

Distance between lugs: 18

now combined with the energy of the Powermatic 80 movement offering up to 80 hours of power reserve when most of automatic movements boasts around 40 hours

Seiko Prospex Speedtimer Mechanical Chronograph 42 MM LE Watch SRQ049J1 Nike auto/manual lap timesCaliber Number: 8R48 Movement Type: Automatic with manual winding Precision: +25 to 15 seconds per day Power reserve: Approx. 45 hours Jewels: 34 Chronograph with 30 minutes & 12 hours Stop second hand function Date display Case Material: Stainless steel (super hard coating) Case Size Thickness: 14. 6mm Diameter: 42. 0mm Lug to lug: 49. 5mm Crystal: Dual curved sapphire crystal Crystal Coating: Anti reflective coating on inner surface LumiBrite: