Seiko Cal. 3815 - 420

Seiko 3815-420

This Solar model from 1970 features a 41mm Titanium case. With its 21mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-7df77a7b164b]

Specifications

Movement
Solar
Case Material
Titanium
Case Width
41mm
Case Thickness
10.1mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Blue Sunburst
Jewels
30j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1970

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seikata-wm-7df77a7b164b