Seiko Cal. 4442 - 739

The Seiko 4442-739 represents an important milestone in Seiko's 1965 lineup. Powered by the 4442 caliber with 34j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-2c44c997a2f8]

Also known as: UFO, Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1965

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