Seiko Cal. 6688 - 890

The Seiko 6688-890 represents an important milestone in Seiko's 1992 lineup. Powered by the 6688 caliber with 20j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-f138226b4db3]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1992

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