Seiko Cal. 7172 - 738

This Hand-Winding model from 1976 features a 43mm Stainless Steel case. Powered by the 7172 caliber with 23j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-ca8aca38b659]

Also known as: Helmet, UFO

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1976

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