Seiko Cal. 4421 - 766

This Automatic model from 1976 features a 43mm Gold-Plated case. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-cf5ae6928347]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1976

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