Seiko Cal. 0717 - 579

The 0717-579 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0717 caliber with 26j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-4fb5fd5965c0]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1969

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