Crystal: Sapphire Crystal. Made Of High Quality Stainless Steel Material Durable And Wear-Resistant. Crown Type: Screw-In Crown. Lug To Lug Size： 48mm.
39.7mm MEN’s WATCH Case MOON Pattern Back CHRONOGRAPH For VK63A VK63 VK64 QUARTZ
Also can be used as spare parts to upgrade and modify your watch. Glass： Mineral Glass. Case Material： 904L stainless steel case. Fit dial size： 32mm-32.5mm. Crown Type: Screw-In crown. Suitable bezel size： 38.5mm 34mm.