You are strongly advised not to send watches to the Montres Breguet SA after-sale service in Switzerland directly by international mail or secure postal service.See the following question: My watch is in need of maintenance or repair. Where can I take my watch and to whom?
There is a significant risk of theft or damage when sending your watch by post or international mail that is not insured to the real value of the piece. Furthermore, Montres Breguet SA can accept no responsibility for any problems encountered at customs in the two countries concerned when sending a watch in this way, nor can it return the watch to the sender in the same way.