<select class="form-control corrigForm" name="maquina" id="maquina">
   <option value="0" disabled selected>Seleccione una Maquina...</option>
   <option value="435€">Láser Diode +</option>
   <option value="455€">Láser Dualwave</option>
</select>

<h5 id="MaquinaElegida">0€</h5>

<div class="input-group formMarg2">
  <input type="text" id="precio" class="form-control corrigForm" style="height: calc(2.55rem + 2px);text-align: center;" value="60">
  <div class="input-group-addon">Meses</div>
</div>

  <input type="range" id="tiempo" class="myRange" name="points" min="36" max="60" value="60" step="12">

<h5 id="pvpRoyalty">0€</h5>

<script>
  $(document).on('change', '#maquina', function(event) {
    $('#MaquinaElegida').text($("#maquina option:selected").val());
  });
  $(document).ready(function() {
    $('#tiempo').change(function() {
    $('#precio').val($(this).val());
   });
  });
 </script>