Hamilton H24525332 Ventura Elvis80 Skeleton Auto 42mm x 45mmThe Dragon has many beautiful meanings in Eastern culture, in addition to strength and luck; it also represents a strong enterprising spirit, and is often a symbol of opportunities and success. Featuring a rose gold PVD coated case and black skeleton dial, the Ventura Elvis80 Skeleton Dragon is finished with a 3D dragon scale rubber strap. Under the dial beats the H-10-S movement with an 80-hour power reserve and a Nivachron™ balance spring, in addition to Super-LumiNova® coated hour and minute hands for late night legibility.SELF-WINDINGWrist movements cause the inner rotor to swing, transferring energy to the mainspring, and powering your timepiece.STAINLESS STEEL CASEA highly resistant alloy composed of steel and chromium. It can be worked to resemble a precious metal. It is nearly impervious to rust, tarnish, and corrosion.SAPPHIRE CRYSTALSynthetic sapphire crystal is a tough scratch-resistant material, only diamonds could leave a mark.NIVACHRON™ BALANCE SPRINGNivachron™ is an alloy used to produce balance spring to resist magnetic fields and improve accuracy. It reduces the effects of magnets, temperature, and shocks.H-10-S CALIBERA three-hand automatic skeleton movement boasting a superior power reserve of 80 hours and featuring a Nivachron™ balance spring.WATER RESISTANCEYour timepiece is resistant up to 5 bar (50m) / 73 psi (164 ft).