SEIKO-ASTRON SSH175 44mm with a power reserve of

with a power reserve of approximately 70 hours

while the helium escape valve has been given a conical design

Lug distance

dark grey gold coated balance wheel

comprised of two 5-minute pre-start sections

SEIKO-ASTRON SSH175 44mm with a power reserve ofCaliber 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 cities) Dual time