Seiko Cal. 4517 - 639

The 4517-639 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4517 caliber with 26j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-04074b2d847f]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1968

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