Seiko Cal. 6686 - 233

The Seiko 6686-233 represents an important milestone in Seiko's 1968 lineup. Powered by the 6686 caliber with 29j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-318b1a4d9a1d]

Also known as: Tuna, Flighty

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1968

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