Seiko Cal. 7137 - 341

This Spring Drive model from 1978 features a 39mm Stainless Steel case. Powered by the 7137 caliber with 26j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-542bd8022973]

Also known as: UFO, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1978

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