Seiko Cal. 4424 - 656

Released in 1969, the Cal. 4424 with design code 656 was part of Seiko's domestic market collection. Powered by the 4424 caliber with 25j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-a267ed9603bb]

Also known as: Rally, Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1969

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