Seiko Cal. 7188 - 745

This Spring Drive model from 1980 features a 35mm Two-Tone case. With its 18mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-524594d6c684]

Also known as: Monster, Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1980

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