Seiko Cal. 4434 - 728

The 4434-728 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4434 caliber with 20j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-11dad449cb94]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1990

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