Seiko Cal. 6187 - 738

This Hand-Winding model from 1968 features a 34mm Two-Tone case. With its 21mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-f1f11d87cca8]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1968

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