Seiko Cal. 4439 - 563

The 4439-563 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4439 caliber with 21j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-e895569e7baa]

Also known as: Bullhead, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1990

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