Seiko Cal. 4517 - 666

The Seiko 4517-666 represents an important milestone in Seiko's 1975 lineup. Powered by the 4517 caliber with 19j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-a146f4383f4d]

Also known as: Bellmatic, Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1975

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