Seiko Cal. 4578 - 693

The Seiko 4578-693 represents an important milestone in Seiko's 1974 lineup. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-7f61c37d8232]

Also known as: Bellmatic, Emperor

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1974

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