Seiko Cal. 0777 - 520

The Seiko 0777-520 represents an important milestone in Seiko's 1980 lineup. With its 18mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-7830796490bd]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1980

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