Seiko Cal. 4594 - 509

The 4594-509 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4594 caliber with 31j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-263f1927f345]

Also known as: Monster, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1978

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