Seiko Cal. 5643 - 686

The Seiko 5643-686 represents an important milestone in Seiko's 1983 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-d6c28fde9236]

Also known as: Sumo, Shogun

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

22j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1983

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