Men's Seiko Classic Design Watches-Seiko ASTRON SSJ003J1

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Seiko ASTRON SSJ003J1

Blue dial with a date window at the 3 o'clock position. Blue ceramic bezel set on a 39 mm stainless steel case. Sapphire crystal on top and a solid case-back. Water resistant to 100M. Stainless steel bracelet with a triple-fodling deployment clasp.

Movement

Caliber Number 3X22
Movement Type GPS solar
Precision ±15 seconds per month (without receiving a GPS signal and at temperatures between 5°C and 35°C )
Jewels 8
Functions
  • Overcharge prevention function
  • Power save function
  • Perpetual calendar to the February 28, 2100
  • GPS signal reception function (Time zone adjustment, automatic time adjustment, manual time adjustment)
  • Reception result display function
  • Function to prevent the GPS signal reception (in-flight mode)
  • Automatic hand position alignment function

Case/Band

Case Material Stainless steel (super hard coating) with ceramic bezel
Case Size
  • Thickness: 11.0mm
  • Diameter: 39.0mm
  • Lug-to-lug: 46.2mm
Crystal 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 21mm

Other Details

Water Resistance 10 bar
Weight 144.0g
Features
  • Screw case back
  • Clasp with Smart Adjuster function