Seiko Cal. 4577 - 954

The 4577-954 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4577 caliber with 24j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-b33907585186]

Also known as: Samurai, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1981

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