Seiko Cal. 4422 - 817

The 4422-817 is a sought-after Solar piece from Seiko's golden era. Powered by the 4422 caliber with 30j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-0929cfc951df]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1978

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