Jiang Sidanton Men's Watch features a Japanese original imported fully automatic mechanical movement with a 9-position tourbillon design and a 10-position 24-hour hour indicator. The diameter is 42/12mm, equipped with a stainless steel case that is exquisitely polished. Available with a mineral glass mirror, the perfect craftsmanship embodies the essence of classic elegance. Simple and atmospheric, it's a must-have for gentlemen. Focused on original new machines, never forget the original intention. JH.