Seiko Cal. 6398 - 813

This Spring Drive model from 1977 features a 39mm Two-Tone case. Powered by the 6398 caliber with 19j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-67b52c61eecc]

Also known as: Samurai, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1977

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