Seiko Cal. 6688 - 668

The Seiko 6688-668 represents an important milestone in Seiko's 1969 lineup. Powered by the 6688 caliber with 23j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-d542c4fb4765]

Also known as: Arnie

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1969

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