Seiko Cal. 4420 - 564

The 4420-564 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4420 caliber with 22j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-794220a961d7]

Also known as: Turtle, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

22j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1988

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