Seiko Cal. 5657 - 506

The 5657-506 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5657 caliber with 20j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-f9b0bd9d0c6b]

Also known as: Goldfeather

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1970

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