Seiko Cal. 4543 - 728

The 4543-728 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-b96ac15cbc19]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1965

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