Seiko Cal. 4423 - 351

The Seiko 4423-351 represents an important milestone in Seiko's 1980 lineup. Powered by the 4423 caliber with 35j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-5d5ad6bba5fc]

Also known as: Sumo, Shogun

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Champagne

Jewels

35j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1980

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