The Tour de I'lle is a complicated wrist watch manufactured by the Swiss manufacturer Vacheron Constantin. It was released in 2005 in a limited edition of 7 pieces to commemorate the manufacturer's 250th anniversary.
The Tour de I'lle was marketed by Vacheron Constantin as the most complicated continually produced wristwatch with 16 complications and 834 individual parts.
References
Tour de I'lle Wikipedia(Text) CC BY-SA