Seiko Cal. 5688 - 158

This Hand-Winding model from 1980 features a 44mm Stainless Steel case. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-5fce1af231b4]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1980

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