Seiko Cal. 6691 - 917

The Seiko 6691-917 represents an important milestone in Seiko's 1981 lineup. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-387278f3e919]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1981

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