Seiko Cal. 5683 - 281

This Quartz model from 1981 features a 37mm Stainless Steel case. With its 20mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-78534c533a81]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1981

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