Seiko Cal. 4550 - 627

The Seiko 4550-627 represents an important milestone in Seiko's 1982 lineup. With its 19mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-30a8ea640c68]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1982

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