Seiko Cal. 7031 - 125

This Spring Drive model from 1981 features a 34mm Stainless Steel case. Powered by the 7031 caliber with 29j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-88c0ff6f8b1e]

Also known as: Monster, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1981

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