Seiko Cal. 4440 - 148

Seiko 4440-148

This Kinetic model from 1972 features a 37mm Titanium case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-fcadd4e9abe4]

Also known as: Helmet, Silverwave

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
37mm
Case Thickness
12.5mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
34j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1972

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