Seiko Cal. 6187 - 958

This Solar model from 1977 features a 37mm PVD Black case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-cae3ae737b37]

Also known as: Bullhead, Silverwave

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1977

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