Seiko Cal. 5661 - 819

Released in 1973, the Cal. 5661 with design code 819 was part of Seiko's domestic market collection. With its 22mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-76ad79ef34b9]

Also known as: Helmet, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1973

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