Seiko Cal. 6689 - 509

The Seiko 6689-509 represents an important milestone in Seiko's 1972 lineup. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-7deefa6ec6f9]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1972

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