Seiko Cal. 4523 - 430

The Seiko 4523-430 represents an important milestone in Seiko's 1966 lineup. Powered by the 4523 caliber with 31j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-4f8bd55404a5]

Also known as: Sumo, Goldfeather

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1966

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