Seiko Cal. 4423 - 435

The 4423-435 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4423 caliber with 24j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-ce408655eed7]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Burgundy

Jewels

24j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1972

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