Seiko Cal. 4583 - 449

The 4583-449 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4583 caliber with 19j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-11efd211be40]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1981

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