The first new product is the Longines Concas Yuetong series, elegant silver/classic black/versatile green/deep blue/high-end coffee original mold opening 1:1, 41mm 316 stainless steel material, CNC precision craftsmanship, brushed and polished Movement 2824, new plastic-sealed original machine, additional scales, luminous function, equipped with sapphire glass mirror, ultra-clear, scratch-resistant and non-blue folding clasp decorated with brand logo, exquisite craftsmanship, clear texture, sunny sports and elegant business style mechanical watch,,