Seiko Prospex Winter Speedtimer Mechanical Chronograph - SRQ045J1 SSH180J1 the design is updated with

the design is updated with a more sophisticated specification

0mm Crystal Box-shaped Hardlex Clasp Deployment clasp with push button release Bracelet Length 175

Prospex timepieces are practical

the dial texture is inspired by soft Japanese silk – a material which has long featured in Japan’s history since ancient times in home décor and clothing

Seiko Prospex Winter Speedtimer Mechanical Chronograph - SRQ045J1 SSH180J1 the design is updated withMovement 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