Seiko Cal. 7151 - 399

This Hand-Winding model from 1976 features a 44mm Gold-Plated case. Powered by the 7151 caliber with 17j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-18d1e20b73bd]

Also known as: Samurai, Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1976

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