Seiko Cal. 6397 - 440

This Spring Drive model from 1980 features a 39mm PVD Black case. Powered by the 6397 caliber with 17j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-67bbc69093b0]

Also known as: Samurai, Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1980

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