Astron SSH109J1
Description
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The Seiko Astron SSH109J1 is a lightweight titanium GPS solar watch designed for travelers who need precision and convenience.
Powered by the Caliber 5X53, it stays accurate within ±15 seconds per month and runs for about six months on a full charge, with up to two years in power-save mode. It offers world time in 39 zones, dual-time display, a perpetual calendar to 2100, and automatic GPS signal reception for seamless time zone adjustment.
The 42.7 mm titanium case with super-hard coating is paired with a sapphire crystal and super-clear coating for excellent legibility, while Lumibrite hands and indexes ensure visibility in low light.
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: Operating for approx. 6 months (when fully charged), power save: approx. 2 years
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: Titanium (super-hard coating)
Thickness: 12.2 mm
Diameter: 42.7 mm
Lug-to-lug: 48 mm
Crystal: Sapphire crystal
Crystal Coating: Super-clear coating
Clasp: Three-fold clasp with push button release
Distance between lugs: 14
