Alloy case with alloy strap, Coffee golden colour AL55 Japanese movement. Stainless steel backcase. CaseAlloy caseStrapAlloy strapMovementAL55 Japanese movementBackcaseStainlessColourCoffee golden We can do other colours of the case and strap, such as golden, Rose golden,coffee golden and GUN metal colour and so on. We can also design the dail face as you required.