Seiko Cal. 6640 - 226

This Quartz model from 1979 features a 38mm Gold-Plated case. It features a Champagne dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-1372ff27817d]

Also known as: Monster, UFO

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1979

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