Seiko Cal. 6317 - 878

This Spring Drive model from 1977 features a 36mm Hardlex-Coated Steel case. Powered by the 6317 caliber with 35j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-2514522f96e8]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1977

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