Seiko Prospex Speedtimer 42 MM SS GPS Solar Grey Dial Watch SSH165J1 StockX_Partially_Matched A limited-edition watch commemorating the

A limited-edition watch commemorating the 25th anniversary of the Caliber 9S mechanical movement

The use of high rigidity carbon on the case keeps damage and deformation at bay

Glass: Sapphire crystal with anti-reflective coating

chronograph seconds hands and hour markers sport superluminova for a perfect glow in the dark

Seiko Prospex Speedtimer 42 MM SS GPS Solar Grey Dial Watch SSH165J1 StockX_Partially_Matched A limited-edition watch commemorating theMovement Calibre Number: 5X83 Movement Type : GPS solar Precision: 15 seconds per month (without receiving a GPS signal and at temperatures between 5C and 35C ) Power reserve: Operating for approx. 6 months (when fully charged), power save: approx. 2 years Jewels: 14 Functions Overcharge prevention function Power save function Chronograph up to 12 hours in 1 20 second increments Perpetual calendar to the february 28, 2100 World time function (38