Seiko Cal. 4431 - 707

Seiko 4431-707

This Solar model from 1971 features a 45mm Titanium case. With its 18mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-bafe4690344e]

Specifications

Movement
Solar
Case Material
Titanium
Case Width
45mm
Case Thickness
12.5mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1971

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seikata-wm-bafe4690344e