The timepiece (1) has a case (3) forming housing (11) for electronic module (13). Display module is fixed to bottom of crystal. Electronic and display modules include first and second connection points (15,17) so that electrical connection unit is used to connect first connection point to second connection point. First alignment element (32) is arranged on middle portion (5) and second alignment element is arranged on crystal. Alignment elements are arranged to cooperate with each other and formed such that first and second connection points to be connected are located facing each other. An independent claim is included for a method for assembling timepiece.
