Seiko Cal. 7187 - 587

This Hand-Winding model from 1977 features a 35mm Gold-Plated case. With its 21mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-429beaa53723]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1977

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