Valentine's Day 520 Preferred: A Must-Have for Elegant Goddesses. The TW Vacheron Constantin Women's Watch Heritage Series V5 Upgrade features a case size of 33.5mm x 9mm, perfectly matching the original's flawless round shape. The design includes a slightly curved lug that ensures a better fit on the wearer's wrist. Each finished case undergoes strict quality control by TW to replicate the unique texture of the authentic product. The distinctive dial features a unique bar design, exuding luxury and sophistication. The movement is the ultra-thin caliber 9015, with all components meticulously decorated by TW watchmakers, achieving precision density at observatory level! The watch glass is made of sapphire crystal on both the front and back, treated with anti-reflective coating. The strap is crafted from double-layer Italian calfskin, paired with a Maltese cross pin buckle. This upgraded version emphasizes the movement and attention to detail!