Seiko Cal. 6688 - 927

Released in 1979, the Cal. 6688 with design code 927 was part of Seiko's domestic market collection. Powered by the 6688 caliber with 31j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-04943a1cd1ec]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1979

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