Seiko Cal. 3870 - 963

This Solar model from 1975 features a 38mm Stainless Steel case. Powered by the 3870 caliber with 31j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-acdc75eb1dce]

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1975

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