Seiko Cal. 6617 - 742

The 6617-742 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6617 caliber with 21j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-8b69aaf6ac1c]

Also known as: Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1977

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