Seiko Cal. 4438 - 582

The Seiko 4438-582 represents an important milestone in Seiko's 1970 lineup. Powered by the 4438 caliber with 21j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-a8d52f1ad3a3]

Also known as: Samurai, Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1970

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