Seiko Cal. 4558 - 623

The 4558-623 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4558 caliber with 30j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-291f86b2d0c5]

Also known as: Pogue, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1968

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