Seiko Cal. 7064 - 427

The Seiko 7064-427 represents an important milestone in Seiko's 1975 lineup. Powered by the 7064 caliber with 27j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-05eb3de43e91]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1975

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