Seiko Astron Future Innovation – GPS Solar Monochrome Limited Edition Dial:Black Caliber Automatic 4R36

Caliber Automatic 4R36

Day display

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This watch comes with a stainless steel case

Movement Function Manual winding Spring Drive

Seiko Astron Future Innovation – GPS Solar Monochrome Limited Edition Dial:Black Caliber Automatic 4R36[Movement] Caliber Number[:] 5X83[br]Movement Type[:] GPS solar[br]Precision[:] 15 seconds per month (without receiving a GPS signal and at temperatures between 5C and 35C )[br]Power reserve[:] Operating for approx. 6 months (when fully charged), power save: approx. 2 years[br]Jewels[:] 14[br]Functions[:] Overcharge prevention function Power save function Chronograph up to 12 hours in 1 20 second increments Perpetual calendar to the February 28, 2100