Seiko Cal. 4426 - 644

This Hand-Winding model from 1973 features a 40mm Gold-Plated case. Powered by the 4426 caliber with 21j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-f1a0069325f4]

Also known as: Samurai, Shogun

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1973

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