Seiko Cal. 4428 - 890

The 4428-890 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4428 caliber with 30j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-1dbc1447f056]

Also known as: Shogun, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1966

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