Seiko Cal. 4550 - 885

The Seiko 4550-885 represents an important milestone in Seiko's 1965 lineup. With its 20mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-84089e2c762c]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1965

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