Seiko Cal. 7066 - 406

The Seiko 7066-406 represents an important milestone in Seiko's 1977 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-10b0d37c8db9]

Also known as: Sumo, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1977

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