Seiko Cal. 4424 - 440

Released in 1965, the Cal. 4424 with design code 440 was part of Seiko's domestic market collection. Powered by the 4424 caliber with 17j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-ab034e60841a]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1965

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