Seiko ASTRON SSH175J1

Seiko ASTRON SSH175J1

Seiko Astron GPS Solar is one of the world’s most advanced wristwatches. It adjusts at the touch of a button to your time zone by connecting to the GPS satellite network and, as it takes all the energy it needs from light alone and yet delivers the astonishing precision of an atomic clock. It even connects automatically up to twice a day to the satellite network to ensure its precision. It is the perfect timepiece for the global traveller.

Movement

Calibre Number	5X83
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	14
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) with ceramic bezel
Case Size	Thickness: 14.4mm Diameter: 44.1mm Lug-to-lug: 50.0mm
Crystal	Dual-curved sapphire crystal
Crystal Coating	Super-clear coating
LumiBrite	LumiBrite on hands and index(es)
Clasp	Three-fold clasp with push button release
Distance between lugs	14mm

Other Details

Water Resistance	10 bar
Weight	110.0g
Features	Allergy-safe metal Clasp with Smart Adjuster function Screw case back