Seiko Cal. 5613 - 106

This Spring Drive model from 1981 features a 34mm Stainless Steel case. With its 21mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-8a1d3879d8d7]

Also known as: Sumo, Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1981

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