Seiko Astron GPS Solar 43.3 MM Black Dial Watch SSH151J1 Victorinox The watch has been given

The watch has been given a full-metal case by using a shock-resistant fine resin cushioning material inserted between the case and the sturdy stainless steel metal bezel

Case back:       See-through & Screw case back

and the strong geometry exudes understated confidence

Battery life:48 months

Seiko Astron GPS Solar 43.3 MM Black Dial Watch SSH151J1 Victorinox The watch has been givenMovement Caliber 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)