Ultra-thin Manual Movement - Vacheron Constantin Heritage 81180/00R Historical Masterpiece Series Men's Mechanical Manual Winding Watch. This top-tier replica features a transparent case back with Cal.1400 AS movement, passing the Geneva Observatory test with functions identical to the original. The ultra-thin case and leather strap design provide exceptional comfort when worn! Crafted from 904 stainless steel for a perfect tactile experience, it is equipped with scratch-resistant sapphire glass. The diameter is 40mm, and the thickness is 7.7mm. Please note: As this is a purely manual movement, it requires winding approximately 25 t.mes
s daily to maintain accurate t.mes
keeping! AD Production: Continuously delivering exquisite quality.