Seiko Cal. 4558 - 959

The Seiko 4558-959 represents an important milestone in Seiko's 1968 lineup. Powered by the 4558 caliber with 36j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-10a42955d6ef]

Also known as: Bellmatic, World Timer

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1968

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