Seiko Cal. 4428 - 567

The 4428-567 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4428 caliber with 25j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-8342c26611a3]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1991

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