Seiko Cal. 6690 - 706

The Seiko 6690-706 represents an important milestone in Seiko's 1990 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-c1526be9cd4b]

Also known as: Sea Horse, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1990

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