Bronze
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43.0 mm bronze case with soft-iron inner case for protection against magnetic fields, 14.4 mm...
46.2mm bronze case with soft-iron inner case for protection against magnetic fields, 15.2mm thick, see-through...
36.0 mm 18K 5N gold case, 11.7 mm thick, convex sapphire glass crystal with antireflective...
41.0 mm bronze case with soft-iron inner case for protection against magnetic fields, 15.3 mm...