Astron SSH051J1
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Description
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The Seiko Astron SSH051J1 is a GPS solar watch built for precision and global travel.
Powered by the Caliber 5X53, it offers accuracy within ±15 seconds per month and a six-month power reserve when fully charged. Its advanced functions include a perpetual calendar to 2100, world time across 39 zones, dual-time display, and automatic GPS signal reception for effortless time zone adjustment.
The 39.3 mm stainless steel case with super-hard coating is paired with a dual-curved sapphire crystal and super-clear coating for durability and clarity. At 160 g, it’s solid yet refined, with Lumibrite hands and indexes, a secure three-fold clasp
Explore more of the Seiko Astron collection or view more timepieces here.
Movement
Caliber Number: 5X53
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: approx. 6 months
Jewels: 12
Functions:
- 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
- Time transfer function (Switching between the main-dial and sub-dial)
- GPS signal reception function (Time zone adjustment, automatic time adjustment)
- Satellite 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 / Band
Case Material: Stainless steel (super hard coating)
Thickness: 11.1 mm
Diameter: 39.3 mm
Lug-to-lug: 47.2 mm
Crystal: Dual-curved sapphire crystal
Crystal Coating: Super-clear coating
Clasp: Three-fold clasp with push button release
Distance Between Lugs: 21
Other Details
Weight: 160 g
Features:
- LumiBrite on hands and index(es)
- Screw case back
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