Seiko Cal. 5686 - 454

The Seiko 5686-454 represents an important milestone in Seiko's 1973 lineup. With its 19mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-c8b365fc81ed]

Also known as: Tuna, Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1973

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