Gerald Charles Tourbillon Miroir Maestro

Movement: Hand-wound mechanical with tourbillon escapement, calibre BNB1000
Outside diameter: 30 mmThickness: 5 mm (7.8 mm over cage). Inertia-block balance in gold, escape wheel and anchor hand-crafted by BNB. Bridges manufactured in their entirety in polished, non-treated, tempered steel. Single barrel, spherical planetary gear in polished steel, patented system. Running time: 120 h approx.Frequency: 21600 V/h (3Hz). Number of rubies: 24. Tourbillon: Suspended tourbillon without ball bearings, 13 mm in diameter and 2.8 mm thick. Speed: 1 revolution/min. Function: Hours, minutes, power reserve indicator on back. Case: Platinum, while gold or pink 5N42 mm in diameter13 mm thick. Sapphire crystalScrew-down back with sapphire crystalI individually numbered. Dial: Mirror dial in platinum, white gold or pink gold. Platinum case: pillar hour-markers and hands set with diamonds. White gold case: pillar hour-makers and hands set with sapphires. Pink gold case: pillar hour-markers and hands set with rubies. Bracelet: Hand-sewn crocodile, folding clasp3 variants to match the case.

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