Kembery Antique Clocks Ltd has dated this piece to the 1950s.
Mechanism and case serial numbers date the watch to 1949/1950. IWC have had various collaborations with Tiffany, however a wristwatch such as this is rather more rare due to limited numbers and the period in which it was made.

Case width 33mm.
From Kembery Antique Clocks Ltd you can expect a genuine IWC watch sold with 12 months guarantee. It is carefully packed and sent by tracked, insured delivery on a day of your choice.
Kembery Antique Clocks Ltd has dated this piece to the 1950s.
You can view the stock and full dealer information on the Kembery Antique Clocks Ltd Profile Page