Seiko Cal. 6397 - 560

This Spring Drive model from 1968 features a 40mm Stainless Steel case. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-cbae92598e29]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1968

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