Seiko Cal. 7191 - 902

This Spring Drive model from 1974 features a 37mm Stainless Steel case. Powered by the 7191 caliber with 30j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-df4d4f7b146d]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1974

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