Seiko Cal. 4440 - 959

Seiko 4440-959

This Solar model from 1979 features a 43mm Hardlex-Coated Steel case. Powered by the 4440 caliber with 19j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-943de52decd7]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
10.1mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
110m
Dial Color
Black
Jewels
19j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1979

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