Seiko Cal. 4597 - 581

The Seiko 4597-581 represents an important milestone in Seiko's 1990 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-132b5b4eb7fe]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

33j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1990

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