8" Brass Nautical Sextant With Wooden Box - Boat and Ship Navigation 8" Brass Nautical Sextant With Wooden Box- Boat and Ship Navigation Hand crafted stunning designer Nautical Sextant in Brass with Antique style. Hand crafted stunning designer Nautical Sextant in Antique Brass, This Nautical Sextant would be a great piece for any room office and a perfect gift for your friend and relatives. Manufactured By NauticalMart Description Handmade brass looks like a real, time-worn 4" sextant glass optics for a clear view (not plastic lenses)sextant operates like a real navigational tool.this round sextant can be placed on any desk, table, shelf, or display case to add a carefully constructed conversation piece to your home, office, or boat.