Seiko Cal. 4439 - 644

The Seiko 4439-644 represents an important milestone in Seiko's 1979 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-964d903df54a]

Also known as: Emperor, Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1979

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