Seiko Cal. 4434 - 645

This Solar model from 1972 features a 43mm Stainless Steel case. Powered by the 4434 caliber with 18j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-b199196d1041]

Also known as: Shogun, Helmet

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1972

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