Seiko Cal. 4551 - 780

The Seiko 4551-780 represents an important milestone in Seiko's 1979 lineup. With its 20mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-7d7cc78a3ed4]

Also known as: UFO, Arnie

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1979

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