Seiko Cal. 6688 - 328

The Seiko 6688-328 represents an important milestone in Seiko's 1981 lineup. Powered by the 6688 caliber with 17j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-7012341f9e09]

Also known as: Crown

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1981

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