Seiko Cal. 6331 - 922

The Seiko 6331-922 represents an important milestone in Seiko's 1970 lineup. Powered by the 6331 caliber with 34j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-7a1cd8d487a5]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1970

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