Seiko Cal. 4430 - 664

The Seiko 4430-664 represents an important milestone in Seiko's 1972 lineup. Powered by the 4430 caliber with 30j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-d3be8359fc2f]

Also known as: Bellmatic, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1972

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