General Resources
- The definite guide to vintage Heuer timepieces
- OysterInfo – Everything you want to know about vintage Rolex
- OysterWorld – Another site loaded with vintage Rolex information
- Breitling – Ultimate information source
- Omega Speedmaster 101
- Vintage Zodiacs
- Pocketwatch Database
- Online Elgin Serial Number Database
Watch Forums
- Horlogeforum (Dutch)
- Uhrforum (German)
- Chronotrader
- Watchuseek
- The Watch Forum
- Omega Forums
- Enicar Forum
- Watchlounge (German)
- R-L-X (German)
- Vintage Rolex Forum
- Klocksnack (Sweden)
- Military Watch Resource
- WatchFreeks
