Seiko Cal. 4428 - 419

The 4428-419 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4428 caliber with 36j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-cd52faf9baa9]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1970

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