Seiko Cal. 4590 - 328

The 4590-328 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4590 caliber with 21j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-3d6a7379c043]

Also known as: Sumo, Panda

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1993

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