Seiko Cal. 4424 - 539

The 4424-539 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-09c3ab90a558]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1966

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