Seiko Cal. 7027 - 930

The Seiko 7027-930 represents an important milestone in Seiko's 1977 lineup. Powered by the 7027 caliber with 34j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-c631d4afc2fa]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1977

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