Seiko Cal. 4420 - 136

The 4420-136 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4420 caliber with 27j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-93fe575b22b9]

Also known as: Crown

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1966

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