Seiko Cal. 4564 - 616

The Seiko 4564-616 represents an important milestone in Seiko's 1977 lineup. Powered by the 4564 caliber with 19j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-77ef704bd566]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1977

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