Seiko Cal. 0789 - 668

The Seiko 0789-668 represents an important milestone in Seiko's 1974 lineup. Powered by the 0789 caliber with 17j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-f0d7c47d7351]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1974

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