Seiko Cal. 4423 - 223

This Spring Drive model from 1977 features a 44mm Stainless Steel case. It features a Champagne dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-cd0194515d3f]

Also known as: Monster, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1977

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