Seiko Cal. 4440 - 344

Seiko 4440-344

This Solar model from 1980 features a 46mm Hardlex-Coated Steel case. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-42d2d9a206ee]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
14.9mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Silver
Jewels
22j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1980

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