Seiko Cal. 4420 - 823

The 4420-823 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4420 caliber with 19j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-80768ca1f572]

Also known as: Sumo, Bellmatic

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

46mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1998

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