Seiko Cal. 4428 - 399

The 4428-399 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4428 caliber with 25j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-c2ae569b7390]

Also known as: Pogue

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1974

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