Seiko Cal. 4421 - 337

This Hand-Winding model from 1976 features a 34mm Titanium case. It features a Green dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-056bf1175c4b]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1976

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