Seiko Cal. 6638 - 569

This Quartz model from 1974 features a 34mm Gold-Plated case. It features a Black dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-45f161938c74]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1974

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