Seiko Cal. 7187 - 129

The Seiko 7187-129 represents an important milestone in Seiko's 1973 lineup. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-25c5dd54ae88]

Also known as: Sumo, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1973

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