Seiko Cal. 5635 - 188

This Hand-Winding model from 1981 features a 44mm Two-Tone case. With its 20mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-b0d46939566c]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1981

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