The rising popularity of watch collecting
Tick-tock... they may be useful for telling the time, but watches are also a multi-billion dollar industry.
Several years ago, a Patek Philippe watch went for a whopping $24m (£16.5m). It was the highest price for any timepiece sold at auction.
But are watches really a sensible investment for the average person? Sharanjit Leyl went to meet with one watch investor in Singapore to find out more.