Seiko Cal. 4558 - 527

This Spring Drive model from 1972 features a 46mm PVD Black case. Powered by the 4558 caliber with 28j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-09040ab1ba53]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1972

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