Seiko Cal. 6688 - 398

This Spring Drive model from 1987 features a 35mm Titanium case. With its 19mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-337ecbfee5b7]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1987

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