Seiko Cal. 6316 - 107

This Spring Drive model from 1977 features a 39mm Stainless Steel case. With its 20mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-757937631fe2]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1977

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