Seiko Cal. 6688 - 988

The Seiko 6688-988 represents an important milestone in Seiko's 1979 lineup. Powered by the 6688 caliber with 32j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-3fd903cd5111]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1979

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