Seiko Cal. 4573 - 864

The Seiko 4573-864 represents an important milestone in Seiko's 1975 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-3d6b5eeda4af]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1975

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