Seiko Cal. 4430 - 315

This Spring Drive model from 1975 features a 43mm Stainless Steel case. It features a Black dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-501a4ca281f9]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1975

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