| ablogtowatch.com | Meaning of Jewel (synthetic rubies) of a watch |
| watchuseek.com | Watchuseek HMT forum |
| wikipedia.org | Mechanical watch introduction |
| pastperfectonline.com | American Watch & Clock Museum Database |
| blogspot.in | Famous Rolex blog |
| ablogtowatch.com | Top 10 Technically Important Mechanical Wrist Watches |
| youtube.com | Timex watches compass calibration |
| youtube.com | Patek Philippe : the most complicated watch |
| youtube.com | World's most amazing watches |
| team-bhp.com | Old Clocks/Alarms: Westclox, HES, Favre Leuba, Kienzle, Wehrle, Hibino, Seikosha |
| watchuseek.com | Indian wristwatches: Timestar, Allwyn, Ricoh, Jayco, Indo-Swiss time(IST) |
| watchuseek.com | Different Types of Watch Crystals |
| wikipedia.org | Guilloché : a watch decorative technique |