Invictamen's 90303 pro diver analog display quartz black watch, black, diver,quartz movement

Can you replace the strap with stainless steel?

I have a crazy thin wrist, metal straps never fit me, does this strap have enough holes to fit a small wrist?

Case diameter is 40 or 44mm?

¿Diámetro del reloj? En un lugar dice 40mm y en otro 44mm