Seiko Cal. 0766 - 917

The Seiko 0766-917 represents an important milestone in Seiko's 1976 lineup. Powered by the 0766 caliber with 31j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-9de1f592096e]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1976

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