Seiko Cal. 4431 - 320

Seiko 4431-320

This Kinetic model from 1978 features a 41mm Titanium case. With its 21mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-5e2579196de8]

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
41mm
Case Thickness
15.2mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
120m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
28,800 bph
Power Reserve
58 hours
Year
1978

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seikata-wm-5e2579196de8