Seiko Cal. 4517 - 577

The Seiko 4517-577 represents an important milestone in Seiko's 1979 lineup. Powered by the 4517 caliber with 35j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-00f43b2cd4e9]

Also known as: Navigator, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1979

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