Seiko Cal. 7139 - 432

This Spring Drive model from 1984 features a 38mm Stainless Steel case. Powered by the 7139 caliber with 17j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-8eed67049c24]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1984

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