Seiko Cal. 4550 - 369

The Seiko 4550-369 represents an important milestone in Seiko's 1976 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-59c9291ddaf1]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1976

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