Seiko Cal. 6687 - 566

The 6687-566 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6687 caliber with 20j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-3397c2f684de]

Also known as: Pogue

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1974

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