Seiko Cal. 4438 - 943

The Seiko 4438-943 represents an important milestone in Seiko's 1966 lineup. Powered by the 4438 caliber with 17j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-c47a6d79b0a8]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1966

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