Seiko Cal. 4428 - 282

This Kinetic model from 1977 features a 38mm Stainless Steel case. Powered by the 4428 caliber with 22j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-6ff1cad1d18e]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1977

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