Seiko Cal. 4421 - 593

The Seiko 4421-593 represents an important milestone in Seiko's 1971 lineup. Powered by the 4421 caliber with 20j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-4ffa621eec01]

Also known as: Panda

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1971

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