Seiko Cal. 7186 - 987

The Seiko 7186-987 represents an important milestone in Seiko's 1973 lineup. With its 19mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-0a7a3bba0ef3]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1973

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