Seiko Cal. 4594 - 620

The 4594-620 is a sought-after Solar piece from Seiko's golden era. Powered by the 4594 caliber with 20j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-20bef16e3f06]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1971

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