Seiko Cal. 4419 - 663

The Seiko 4419-663 represents an important milestone in Seiko's 1974 lineup. Powered by the 4419 caliber with 20j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-9aba0d798948]

Also known as: Crown, Emperor

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1974

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