What is the sister brand of Rolex?

Tudor is the sister brand of Rolex, founded in 1926 by Rolex creator Hans Wilsdorf as a more attainable companion line under common ownership.

Both brands remain linked through the Hans Wilsdorf Foundation, which owns Rolex and controls Tudor as well. Wilsdorf created Tudor so shoppers could own a watch with Rolex-level fit, finish, and durability at a lower price point, using outsourced or in-house movements rather than Rolex's own manufacture calibers in many models. Tudor watches share design cues with Rolex (case shapes, bracelet styles, dial layouts) but are marketed as their own brand, with different model names like the Black Bay and Pelagos rather than Rolex's Submariner or Datejust.

For owners and collectors, this relationship matters mainly for context rather than valuation. Tudor and Rolex are appraised as separate brands with distinct markets, price histories, and resale demand, so a Tudor watch won't carry Rolex pricing even though the companies are related. If you're trying to determine what a Rolex, Tudor, or any other timepiece is actually worth for insurance, estate settlement, or a charitable donation, a professional watch appraisal accounts for the specific brand, model, condition, and market data rather than assumptions based on brand lineage.

A few other points worth knowing:

• Shared ownership, separate operations: Tudor has its own design teams, boutiques, and model lineups distinct from Rolex.
• Price positioning: Tudor generally sits below Rolex in retail price, making it a popular entry point into Swiss luxury watchmaking.
• Collector interest: Vintage Tudor pieces, especially those from the mid-20th century, have grown in collector demand and can carry meaningful value of their own.

If you're comparing what your watch might be worth, see our answer on how much a 20 year old Rolex is worth or start with a professional watch appraisal to get a defensible valuation.