SEIKO

SPB121J1

Seiko Prospex Alpinist Green Dial Mens Watch SPB121J1

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Seiko Prospex Alpinist Green Dial Mens Watch SPB121J1

Movement

Caliber Number 6R35
Movement Type Automatic with manual winding
Precision +25 to -15 seconds per day
Power reserve Approx. 70 hours
Jewels 24
Functions
  • Stop second hand function
  • Date display

Case/Band

Case Material Stainless steel
Case Size
  • Thickness:13.2mm
  • Diameter:39.5mm
  • Lug-to-lug:46.4mm
Crystal Sapphire crystal with magnifier
Crystal Coating Anti-reflective coating on inner surface
LumiBrite LumiBrite on hands and index(es)
Band Material Calfskin
Clasp Three-fold clasp with push button release
Distance between lugs 20

Other Details

Water Resistance 20 bar
Weight 87.0
Features
  • See-through case back
  • Rotating compass inner ring
  • Screw-down crown





















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