1. She has a watch which is made in Switzerland.

Question

2. She has a watch made in Switzerland.

3. She has a watch which was made in Switzerland.

4. She has a watch having been made in Switzerland.

5. She has a watch made in Switzerland.

(#1 can be changed into #2. What about #3? Can #3 be made into #4 or #5?)

Answer 1

2 and 3 are best. (5 is identical to 2.)