Seiko Cal. 4427 - 834

The Seiko 4427-834 represents an important milestone in Seiko's 1974 lineup. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-3a150c24b033]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1974

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