Seiko Cal. 6687 - 572

The Seiko 6687-572 represents an important milestone in Seiko's 1967 lineup. With its 19mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-1ec15ee2c785]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1967

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