Cuckoo Clock Bird Cuckoo Wall Clock. German Made Modern Cuckoo Clock. Modern Cuckoo Clock Cuckoo Clock Modern Art Style Quartz Movement 20cm by Trenkle Uhren Modern Cuckoo Clock Vector Illustration Stock Vector Illustration of Modern Cuckoo Clock. Cuckoo! Who does not know (and love) the old fashioned cuckoo clock?! Karlsson has given the traditional cuckoo clock a modern overhaul and the result is incredible. The sleek design, fantastic choice of colours and delightful sounding bird have proven this to be a seller. This is one cuckoo that won't wake you at night; the bird is silent between 22: 00 and 06: 00.