Seiko Cal. 6687 - 724

The 6687-724 is a sought-after Quartz piece from Seiko's golden era. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-bc5ae4e20bae]

Also known as: Bullhead, Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Silver

Jewels

18j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1976

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