Brands
- Tri-ang
- Tricaster
- Trilogy
- TSL
- TUcker
- Tudor
- Tumi
- U-boat
- Ulysse Nardin
- Unbranded
- Unbranded / Longines
- Unibic
- Unicorn
- Unimatic
- United State Cartridge Co, USA
- Universal
- Unknown
- Unmarked
- UNOAERRE
- Unsigned
- Vacheron Constantin
- Valentino
- Valjoux 92
- Van Cleef & Arpels
- Van Dell
- Various
- Vauxhall Six
- VEGA
- Verdura
- Versace
- Versani
- Victoria