| Bit of History: |
Astron is the name given by Seiko to the first quartz watch ever made, circa 1969. |
| Movement: |
SEIKO Cal. 7X52. |
| Technical Guide: |
Seiko 7X52 setting instructions (Adobe PDF file). |
| Functions: |
- Solar
- GPS controlled time and time zone adjustment
- Hour, minute and second hands
- Date calendar
- Second or home time zone clock at 6
- Perpetual calendar correct to February 2100
- Signal reception result indication
- World time function (39 Time Zones)
- Daylight Saving Time function
- Power saving function
- Accuracy:
+/-15 seconds per month (without receiving a time signal and in temperatures between 5C and 35C)
- Magnetic resistance: 4,800 A/m
. |
| Case: |
Pure Titanium. Black PVD (Physical vapor deposition) coating. |
| Bezel: |
Ceramic hi-tech material, extremely scratch-resistant. Black color. |
| Crystal: |
Sapphire. |
| Dial: |
Black color. Luminous hour markers/dots. |
| Hands: |
Steel color. LumiBrite radiation-free luminous filled. Green glow. |
| Case Back: |
Factory Engraved/Raised Logo. Pure Titanium. Screw-down style ( threaded ). |
| Band: |
Pure Titanium. Black PVD (Physical vapor deposition) coating. |
| Clasp: |
Tri-fold, Sport style, with spring release. |
| Water Resistance: |
100m/330ft /10atm. |
| Case Size: |
47.00mm. 16.00mm. |
| Warranty: |
3 years Factory Limited. |
| Other: |
Seiko Astron GPS in action video
. |