Seiko Cal. 4477 - 594

The 4477-594 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4477 caliber with 25j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-eaf5d5ce14fe]

Also known as: Rally, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1981

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