Seiko Cal. 5654 - 764

This Quartz model from 1975 features a 37mm Gold-Plated case. It features a Green dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-f87fe0ae1907]

Also known as: Sumo, Bellmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1975

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