Seiko Cal. 7178 - 517

The Seiko 7178-517 represents an important milestone in Seiko's 1971 lineup. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-7b249e822ae1]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1971

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