Seiko Astron SSE139J1

SEIKO SSE139J1 Men's ASTRON World Time Titanium TSB GPS Solar Movement

Specifications :

Model No. SSE139J1
Caliber Number 8X42
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
Case Material Titanium (super hard coating) with ceramic bezel
Case Thickness 13.0mm
Case Diameter 44.8mm
Lug-to-lug 55.0mm
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 22
Functions :
Overcharge prevention function, Power save function, Perpetual calendar to the February 28, 2100, World time function (39 time zones), Dual-time function, Power reserve indicator, Time zone adjustment by receiving GPS signals from GPS satellites automatic time adjustment function, 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, and Date display