Seiko Cal. 6397 - 398

Seiko 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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