Seiko Cal. 5659 - 640

The 5659-640 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5659 caliber with 34j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-a9528c96e2b3]

Also known as: Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1967

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