Seiko Cal. 0766 - 604

The 0766-604 is a sought-after Automatic piece from Seiko's golden era. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-fe55949fc3f8]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1974

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