Seiko Cal. 4458 - 634

This Spring Drive model from 1966 features a 34mm Hardlex-Coated Steel case. Powered by the 4458 caliber with 28j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-29ae7ba841b9]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1966

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