Seiko Cal. 4447 - 398

This Hand-Winding model from 1976 features a 45mm Titanium case. Powered by the 4447 caliber with 28j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-be4043ec3799]

Also known as: Shogun, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1976

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