Seiko Cal. 4488 - 581

The 4488-581 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4488 caliber with 24j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-e68025e716ab]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1971

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