Seiko Cal. 6397 - 398

The Seiko 6397-398 represents an important milestone in Seiko's 1976 lineup. Powered by the 6397 caliber with 19j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-f3ae14da1112]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1976

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