Seiko Cal. 4455 - 840

The Seiko 4455-840 represents an important milestone in Seiko's 1974 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-375fa11424a6]

Also known as: World Timer, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1974

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