Seiko Cal. 6635 - 269

This Spring Drive model from 1966 features a 34mm Stainless Steel case. It features a Cream dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-b8ae615224c4]

Also known as: Tuna, Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1966

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