Vacheron Constantin (Malta series hollow tourbillon) mechanical men's watch

Vacheron Constantin (Malta series hollow tourbillon) Style: self-winding mechanical real tourbillon, transparent bottom material: 316 steel Diameter: 48.5*38.5 thickness 13mm Movement model: hollow real flywheel movement Power reserve: 48 hours glass: double-sided Sapphire glass strap: Italian leather can be equipped with alligator leather Clasp: original butterfly buckle