Seiko Cal. 4551 - 307

Released in 1974, the Cal. 4551 with design code 307 was part of Seiko's domestic market collection. With its 21mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-eb11cc606ebc]

Also known as: UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1974

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