Seiko Cal. 0744 - 431

The Seiko 0744-431 represents an important milestone in Seiko's 1971 lineup. Powered by the 0744 caliber with 20j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-80afa7e5e4e4]

Also known as: UFO, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1971

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