- Some vintage ads>>>
- Stowa history (overview)
- Tips on buying a vintage watch
- Swiss watch brands
- Great Watch Companies - Elgin
- Tissot Serial Numbers
- Consumer Reports Watch Article - 1949
- US Made Watch Online Databases
- Zenith vintage calibers and technical pages
- Opening a Pocket Watch Case
- Serial number lookups
- Technical Sheets
- Movement photo database links
- German watch brands
- The 36000 BPH Watch Collectors Site (link)
- Heuer Autavia page
- Another gallery of movements
- Seiko Production Date Calculator
- Buckles and clasps
- US Watchmaker Links
- Universal Geneve serial numbers 1930 - 1967
- Cool web site for early walthams and Howards
- Level of timekeeping accuracy.
- Swiss makers marks
- Single Brand Collectors' Sites
- Swiss Hallmarks and Case maker's marks
- US Import codes
- Watch hand styles
- FYI: Omega Tech documents…
- "Jaeger-LeCoultre Memovox" catalog from 1977.
- "Jaeger LeCoultre Automatic" catalog from 1970-s.
- Pocket watches from Ottoman empire.
- Tissot
- Public Domain ebooks
- Trademark look-ups