Seiko Cal. 4427 - 364

This Spring Drive model from 1967 features a 44mm Stainless Steel case. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-571311778929]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1967

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