Seiko Cal. 4420 - 379

The 4420-379 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4420 caliber with 24j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-583e044bebf1]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1983

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