Seiko Cal. 7154 - 627

This Spring Drive model from 1975 features a 36mm Gold-Plated case. Powered by the 7154 caliber with 35j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-9cdadf270d3c]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1975

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