Seiko Cal. 4439 - 925

Seiko 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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