SEIKO

SPB105J1

Seiko Prospex Divers Special Edition 'Sumo" Mens Watch SPB105J1

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Seiko Prospex Divers Special Edition 'Sumo" Mens Watch SPB105J1

Movement

Caliber Number 6R15
Movement Type Automatic with manual winding
Precision +25 to -15 seconds per day
Power reserve Approx. 50 hours
Jewels 23
Functions
  • Stop seconds hand function
  • Date display

Case/Band

Case Material Stainless steel (super hard coating) with stainless steel bezel
Case Size
  • Thickness:12.7mm
  • Diameter:44.0mm
  • Lug-to-lug:51.0mm
Crystal Sapphire crystal
Crystal Coating Anti-reflective coating on inner surface
LumiBrite LumiBrite on hands and index(es)
Clasp Three-fold clasp with secure lock , push button release with extender
Distance between lugs 20

Other Details

Features
  • Unidirectional rotating bezel
  • Screw-down crown
  • Screw case back












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