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SEIKO Astron Mens Watch SSJ003

Specifications

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
  • Date display

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
  • Clasp with Smart Adjuster function
  • Screw case back