Seiko Cal. 6634 - 909

The Seiko 6634-909 represents an important milestone in Seiko's 1979 lineup. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-ec5774ca368e]

Also known as: Shogun, Crown

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1979

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