
Product Description
This Seiko Astron GPS Solar watch showcases advanced satellite technology, combining precision, elegance, and global time synchronization in a sophisticated 42.7mm stainless steel case.
| Case & Exterior | |
|---|---|
| SKU | SSH137J1 |
| Case Size | Thickness 12.2mm · Diameter 42.7mm · Lug-to-lug 48.0mm |
| Case Material | Stainless steel |
| Crystal | Sapphire crystal |
| Crystal Coating | Super-clear coating |
| LumiBrite | Hands and index(es) |
| Clasp | Three-fold clasp with push button release Smart Adjuster function |
| Distance Between Lugs | 14mm |
| Water Resistance | 10 bar |
| Weight | 105.0g |
| Features | LIMITED EDITION on case back Serial number engraving Additional silicone strap included Screw case back *Case back direction may vary |
| Movement & Specifications | |
|---|---|
| Caliber Number | 5X53 |
| Movement Type | GPS Solar |
| Precision | ±15 seconds/month (without GPS signal) |
| Power Reserve | ~6 months (fully charged) · Power save: ~2 years |
| Jewels | 12 |
| Functions | Overcharge prevention Power save Perpetual calendar (to 2100) World time (39 zones) Dual-time function Day display Power reserve indicator Time transfer GPS signal reception Satellite acquisition status Reception result display DST (Daylight Saving Time) In-flight mode Automatic hand position alignment |
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