Seiko Cal. 6313 - 577

This Spring Drive model from 1983 features a 36mm Stainless Steel case. With its 21mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-bca5058ef1cf]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

24j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1983

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