Seiko

SRPE31K1

Seiko Prospex - Automatic Tuna - Gray

Movement

Caliber Number:4R36

Movement Type:Automatic with manual winding capacity

Duration:Approx. 41 hours

Exterior

Case Material:Stainless steel (hard coating)

Crystal:Hardlex

LumiBrite:Lumibrite on hands, indexs and bezel

Band Material:Silicone

Other Details

Water Resistance:200m / 660ft diver's

Case Size

Thickness: 12.7mm
Diameter: 43.2mm
Length: 44mm
Strap Size: 20mm

Other Specifications

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

Other Features

  • 24 jewels
  • Day/Date display
  • Stop second hand function

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