Seiko Cal. 4593 - 637

The 4593-637 is a sought-after Solar piece from Seiko's golden era. Powered by the 4593 caliber with 28j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-8acf79f4357b]

Also known as: Shogun

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1989

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