Seiko Cal. 6187 - 812

The Seiko 6187-812 represents an important milestone in Seiko's 1987 lineup. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-0b56c5093fa5]

Also known as: Bullhead, UFO

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1987

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