Seiko Cal. 0766 - 378

The Seiko 0766-378 represents an important milestone in Seiko's 1980 lineup. With its 20mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-2d826110848a]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Burgundy

Jewels

22j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1980

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