Seiko Cal. 4439 - 925

This Kinetic model from 1983 features a 35mm PVD Black case. Powered by the 4439 caliber with 36j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-6b2afe77c84e]

Also known as: Sumo, Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

36j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1983

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