Seiko Cal. 4423 - 631

This Quartz model from 1980 features a 40mm Two-Tone case. It features a Cream dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-e73e91d8b84c]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1980

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