Seiko Cal. 6317 - 732

This Hand-Winding model from 1979 features a 42mm Stainless Steel case. With its 21mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-b7ab81fb7d81]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1979

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