Seiko Cal. 6617 - 579

The 6617-579 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6617 caliber with 20j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-2f3b4f3c922e]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1983

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