Seiko Cal. 5643 - 321

This Quartz model from 1969 features a 36mm Hardlex-Coated Steel case. It features a Navy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-24285acd7952]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1969

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