Seiko Cal. 0766 - 657

The Seiko 0766-657 represents an important milestone in Seiko's 1982 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-cac51e8a6fcd]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1982

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