Seiko Cal. 6221 - 578

The 6221-578 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6221 caliber with 17j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-f9a33cd5fe9e]

Also known as: UFO, Goldfeather

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

17j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1979

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