Seiko Cal. 5639 - 404

This Quartz model from 1971 features a 43mm Gold-Plated case. It features a White dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-aa82f071bc41]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1971

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