Seiko Cal. 6690 - 851

The Seiko 6690-851 represents an important milestone in Seiko's 1967 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-9353331de784]

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1967

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