Seiko Cal. 5638 - 830

This Quartz model from 1966 features a 44mm PVD Black case. It features a Navy dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-d8a8a9435c09]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1966

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