Seiko Cal. 4566 - 939

The 4566-939 is a sought-after Quartz piece from Seiko's golden era. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-82606b09f173]

Also known as: Helmet, Rally

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1976

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