MB&F HM3 Frog X PurpleTwo globular eyes that rotate to give the hours and minutes. A widely grinning mouth revealing the occasional bright flicker of the signature MB&F battle axe rotor. A glistening skin of titanium, red gold or exotic zirconium HM3 Frog may have been small as a specimen of amphibious pond life, but it was mighty on the wrist as it leapt to iconic status at the crossroads of kinetic art and horology. Case: HM3 Frog: Ti in grade 5 titanium, 18k red gold or