Seiko Cal. 0717 - 540

The Seiko 0717-540 represents an important milestone in Seiko's 1980 lineup. With its 19mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-58efbb971408]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1980

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