Seiko Cal. 6317 - 948

This Spring Drive model from 1973 features a 38mm PVD Black case. Powered by the 6317 caliber with 33j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-e6fdedda5ae9]

Also known as: Samurai, Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1973

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