Seiko Cal. 7187 - 781

The Seiko 7187-781 represents an important milestone in Seiko's 1997 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-ed40ce0d669f]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1997

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