Seiko Cal. 4558 - 437

The Seiko 4558-437 represents an important milestone in Seiko's 1982 lineup. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-f47e4632f444]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1982

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