Seiko Astron GPS Solar 42.7mm Watch

The world's first GPS solar watch:
- Connects to the GPS network and adjusts to your time zone at the touch of a button
- Takes all the energy it needs from light alone, never needing a battery change
- Features:
- Caliber: 5X53
- Jewels: 12
- Overcharge Prevention Function
- Power Save Function
- Perpetual Calendar To The February 28, 2100
- World Time Function (39 Time Zones)
- Dual-Time Function
- Day Display
- Power Reserve Indicator
- GPS Signal Reception Function
- Satelite Acquisition Status Display Function
- Reception Result Display Function
- DST (Daylight Saving Time) Function
- To Prevent The Gps Signal Reception (In-Flight Mode)
- Automatic Hand Position Alignment Function
- Case Size: 42.7mm
- Dial Colour: Black
- LumiBrite On Hands And Indexes
- Water Resistance: 10 bar (100 metres)
- Screw Case Back