Seiko Cal. 5643 - 939

The 5643-939 is a sought-after Quartz piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-8a2937f71447]

Also known as: Samurai, Emperor

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1978

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