Seiko Cal. 4523 - 818

The Seiko 4523-818 represents an important milestone in Seiko's 1974 lineup. Powered by the 4523 caliber with 30j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-360ad9b49652]

Also known as: World Timer, Crown

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1974

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