Seiko Cal. 4478 - 422

The Seiko 4478-422 represents an important milestone in Seiko's 1997 lineup. Powered by the 4478 caliber with 22j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-6e27333be233]

Also known as: Emperor

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1997

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