Seiko Cal. 3870 - 131

Seiko 3870-131

This Kinetic model from 1993 features a 40mm Stainless Steel case. Powered by the 3870 caliber with 36j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-cd6a70c70b28]

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
12.5mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Navy
Jewels
36j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1993

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