Seiko Cal. 4579 - 421

Released in 1970, the Cal. 4579 with design code 421 was part of Seiko's domestic market collection. Powered by the 4579 caliber with 21j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-5d19941cf1ef]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1970

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