Seiko Cal. 7178 - 188

This Quartz model from 1981 features a 42mm Titanium case. With its 18mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-33b10ca40c02]

Also known as: Helmet, World Timer

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1981

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