Seiko Cal. 4427 - 915

The Seiko 4427-915 represents an important milestone in Seiko's 1973 lineup. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-d9c7ed41bd17]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1973

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