Seiko Cal. 5688 - 542

This Spring Drive model from 1984 features a 38mm Titanium case. With its 19mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-7998911c1183]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1984

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