SEIKO

SPB155J1

Seiko Prospex Alpinist SPB155J1

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Seiko Prospex Alpinist SPB155J1

Stainless steel 38mm case with 6R35 automatic movement.

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 seconds hand function
  • Date display

Case/Band

Case Material Stainless steel
Case Size
  • Thickness: 12.9mm
  • Diameter: 38.0mm
  • Lug-to-lug: 46.0mm
Crystal Curved sapphire crystal
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 144.0g
Features
  • See-through case back
  • Screw case back
  • Screw-down crown














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