Seiko Cal. 6687 - 987

The Seiko 6687-987 represents an important milestone in Seiko's 1965 lineup. Powered by the 6687 caliber with 23j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-1a29077c7362]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1965

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