Seiko Cal. 4551 - 488

The Seiko 4551-488 represents an important milestone in Seiko's 1965 lineup. With its 20mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-d606953a11d1]

Also known as: Monster, UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1965

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