Seiko Cal. 4577 - 290

The 4577-290 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4577 caliber with 31j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-64a75785aaeb]

Also known as: Rally, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1988

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