Seiko Cal. 4523 - 728

The 4523-728 is a sought-after Kinetic piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-931a3ce8cfe2]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

42mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1970

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