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Seiko 5 Sports SRPK31/SRPK31K1F - Shipping January 2025

Specifications

Movement

Caliber Number
4R36
Movement Type
Automatic with manual winding
Power reserve
Approx. 41 hours
Jewels
24
Functions
  • Stop seconds hand function
  • Day/Date display

Case/Band

Case Material
Stainless steel
Case Size
Thickness:12.1mm
Diameter:38.0mm
Lug-to-lug:44.2mm
Crystal
Hardlex
LumiBrite
Lumibrite on hands and index(es)
Clasp
Three-fold clasp with push button release
Distance between lugs
20

Other Details

Water Resistance
10 bar
Magnetic Resistance
4,800 A/m
Weight
140.0
Features
  • Unidirectional rotating bezel
  • Three-fold clasp with secure lock
  • See-through & Screw case back