Seiko Astron GPS Solar Chronograph Silvery Night - SSH153J1 SPB501J1 Day date counter Precision +45

Day date counter Precision +45 / -35 seconds per day Index Lume LumiBrite Watch Hand Lume LumiBrite Case Material Stainless Steel Glass Material Hardlex (Tempered Mineral Glass) Bezel Type Unidirectional Rotating Case Back Type Transparent Strap Material Stainless Steel Buckle Type Deployant Clasp

Stopwatch: Stopwatch Measures 60 Minutes In 1/5th Of A Second Increments With Split Time Capability

The see-through screw case back adds an extra touch of elegance

SPECIAL EDITION on the case backWatch Function: Day/Date display

Water Resistance 10 bar Weight 133

Seiko Astron GPS Solar Chronograph Silvery Night - SSH153J1 SPB501J1 Day date counter Precision +45Movement 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)