Seiko Cal. 6639 - 346

This Quartz model from 1971 features a 45mm Stainless Steel case. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-75b3552db5c0]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1971

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