Seiko Cal. 7138 - 156

This Automatic model from 1974 features a 34mm Stainless Steel case. Powered by the 7138 caliber with 26j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-2adc53b6b272]

Also known as: Rally, Silverwave

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1974

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