Seiko Cal. 4428 - 293

The 4428-293 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4428 caliber with 28j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-b3b3cd0081dd]

Also known as: Silverwave

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1987

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