Seiko Cal. 4420 - 940

The Seiko 4420-940 represents an important milestone in Seiko's 1981 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-76dcaabead6c]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Champagne

Jewels

32j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1981

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