Seiko Cal. 5688 - 193

The Seiko 5688-193 represents an important milestone in Seiko's 1974 lineup. With its 18mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-f08b3cd2ea99]

Also known as: Sumo, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1974

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