Seiko Cal. 4543 - 640

The Seiko 4543-640 represents an important milestone in Seiko's 1970 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-13c5418fd5cb]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Cream

Jewels

17j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1970

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