Seiko Cal. 4430 - 407

This Quartz model from 1971 features a 43mm Stainless Steel case. Powered by the 4430 caliber with 34j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-a9d7f51f80be]

Also known as: Helmet, Silverwave

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1971

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