Seiko Cal. 4578 - 906

The Seiko 4578-906 represents an important milestone in Seiko's 1978 lineup. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-956cf413ef48]

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1978

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