Seiko Cal. 4423 - 604

This Solar model from 1980 features a 36mm PVD Black case. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-a5bf87bcfbc2]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1980

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