Seiko Cal. 4458 - 741

The Seiko 4458-741 represents an important milestone in Seiko's 1989 lineup. Powered by the 4458 caliber with 19j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-d9bc6ec2606a]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1989

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