Seiko Cal. 4558 - 349

The Seiko 4558-349 represents an important milestone in Seiko's 1978 lineup. Powered by the 4558 caliber with 24j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-f2b679d1aeee]

Also known as: Helmet, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

24j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1978

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