Seiko Cal. 5643 - 531

The Seiko 5643-531 represents an important milestone in Seiko's 1971 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-47dabe3a5b94]

Also known as: Goldfeather

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1971

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