Seiko Cal. 4430 - 584

The Seiko 4430-584 represents an important milestone in Seiko's 1991 lineup. It features a Black dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-33b82bac2c56]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1991

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