Seiko Cal. 4430 - 413

The Seiko 4430-413 represents an important milestone in Seiko's 1972 lineup. It features a Black dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-6ac40206fa2f]

Also known as: Monster, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1972

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