Seiko Cal. 4551 - 144

The Seiko 4551-144 represents an important milestone in Seiko's 1971 lineup. With its 19mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-fa129053e908]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1971

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