Astron SSJ037J1 GPS Solar 2025 Limited Edition
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Description
The Seiko Astron SSJ037J1 is a sleek, smart timepiece built for life on the go. Powered by GPS solar technology, it automatically adjusts to your time zone and runs for up to six months on a full charge, with a two-year power-save mode.
Its titanium case and aluminum bezel keep it lightweight yet durable, while the 42mm size and 12mm thickness offer a comfortable fit. Packed with features like a perpetual calendar (valid until 2100), date display, and power reserve indicator, it’s also equipped with a super-clear sapphire crystal and LumiBrite hands for easy readability. As a limited edition, it includes a unique serial number and a Smart Adjuster clasp—making it as functional as it is refined.
Movement
Caliber Number: 3X62
Movement Type: GPS solar
Precision: ±15 seconds per month (without receiving a GPS signal and at temperatures between 5°C and 35°C )
Power Reserve: Operating for approx. 6 months (when fully charged), power save: approx. 2 years
Jewels: 10
Functions:
- Overcharge prevention function
- Power save function
- Perpetual calendar to the February 28, 2100
- Power reserve indicator
- GPS signal reception function (Time zone adjustment, automatic time adjustment, manual time adjustment)
- Satellite acquisition status display function
- Reception result display function
- Function to prevent the GPS signal reception (in-flight mode)
- Automatic hand position alignment function
- Date display
Case / Band
Case Material: Titanium (super-hard coating) with titanium (super-hard coating) and aluminum bezel
Thickness: 12 mm
Diameter: 42 mm
Lug-to-lug: 47.9 mm
Crystal: Sapphire crystal
Crystal Coating: Super-clear coating
Clasp: Three-fold clasp with push button release
Distance Between Lugs: 14
Other Details
Magnetic Resistance: 4,800 A/m
Weight: 107 g
Features:
- LumiBrite on hands and index(es)
- LIMITED EDITION on the case back
- Serial number engraved on the case back
- Against an allergic reaction to nickel
- Clasp with Smart Adjuster function
- Screw case back
Any purchase through our SEIKO Online Store has a 3-year guarantee.
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