Seiko Cal. 6187 - 928

The Seiko 6187-928 represents an important milestone in Seiko's 1971 lineup. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-cbc010c39039]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1971

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