Seiko Cal. 4428 - 200

The Seiko 4428-200 represents an important milestone in Seiko's 1982 lineup. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-58faa3a433ce]

Also known as: Sumo, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1982

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