Seiko Cal. 4439 - 789

The Seiko 4439-789 represents an important milestone in Seiko's 1971 lineup. Powered by the 4439 caliber with 33j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-cd596f1eb066]

Also known as: Samurai

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1971

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