Seiko Cal. 6687 - 739

The 6687-739 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6687 caliber with 26j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-b1bb72d4c529]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1992

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