Seiko Cal. 4558 - 640

The 4558-640 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4558 caliber with 31j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-a2449320d489]

Also known as: Shogun

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1973

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