Seiko Cal. 4448 - 728

This Kinetic model from 1990 features a 38mm Hardlex-Coated Steel case. Powered by the 4448 caliber with 18j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-9d6ed91ce7c3]

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1990

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