Seiko Cal. 6317 - 339

This Spring Drive model from 1977 features a 44mm Hardlex-Coated Steel case. With its 18mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-57309ddb789f]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1977

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