Seiko Prospex Winter Speedtimer Mechanical Chronograph - SRQ045J1 SSH180J1 MOVEMENT: MIYOTA 2315-6

MOVEMENT: MIYOTA 2315-6

World Time: Astron GPS Solar pinpoints your location and identifies your exact timezone by receiving GPS signals from 4 or more GPS satellites

4mm Crystal Sapphire crystal Clasp Three-fold clasp with push button release Distance between lugs 22

Case Size: 38

Seiko Prospex Winter Speedtimer Mechanical Chronograph - SRQ045J1 SSH180J1 MOVEMENT: MIYOTA 2315-6Movement Caliber Number 8R46 Movement Type Automatic with manual winding Precision +25 to 15 seconds per day Power reserve Approx. 45 hours Jewels 34 Functions Equipped with small seconds hand Stop second hand function Case Band Case Material Stainless steel (hard coating) Case Size Thickness: 15. 1mm Diameter: 42. 5mm Lug to lug: 50. 0mm Crystal Dual curved sapphire crystal Crystal Coating Anti reflective coating on inner surface LumiBrite LumiBrite