Seiko Cal. 4420 - 356

The 4420-356 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4420 caliber with 29j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-7c000bfa2a6e]

Also known as: Emperor

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1974

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