Seiko Cal. 5623 - 385

This Quartz model from 1974 features a 36mm PVD Black case. It features a Navy dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-544f500a8167]

Also known as: Helmet, Flighty

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1974

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