Seiko Cal. 6691 - 777

The Seiko 6691-777 represents an important milestone in Seiko's 1978 lineup. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-d9e8280faa8b]

Also known as: Rally, Emperor

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1978

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