Seiko Cal. 4440 - 782

The Seiko 4440-782 represents an important milestone in Seiko's 1965 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-ceca86756a11]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1965

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