Seiko Cal. 6397 - 422

The Seiko 6397-422 represents an important milestone in Seiko's 1976 lineup. Powered by the 6397 caliber with 19j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-d71b2db27a23]

Also known as: UFO, Sea Horse

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Cream

Jewels

19j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1976

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