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

Vacheron Constantin (Malta series hollow tourbillon) Style: Self-winding mechanical real tourbillon! Artificial inlaid zircon, transparent bottom Material: 316 steel Diameter: 48.5*38.5 thickness 13mm Movement model: Empty true flywheel movement Power reserve: 48 hours Glass: Double-sided sapphire glass Strap: Italian leather Clasp: Original butterfly clasp