Authenticate Tudor Black Bay
The modern diver drawing on the maison's own archive, with in-house movements since 2016.
Introduced 2012Geneva
The Black Bay line is where modern Tudor made its case, and the reference determines almost everything: case size, movement, bezel material and whether the crown is a snowflake or a conventional one. Establishing the reference first prevents reading a genuine watch against the wrong specification.
The snowflake hands — a square-tipped hour hand from the maison's 1970s diving watches — are the line's signature and are correctly proportioned on genuine production, with lume filling the shape evenly. Counterfeits get the square slightly wrong.
The bezel is unidirectional with an even click, the bracelet is solid-link with a machined clasp, and the movement is either an ETA base or an in-house MT calibre depending on the reference and the year.
What a Black Bay does on the secondary market
Steady and well supported. In-house movement references hold better than the earlier ETA-based ones, and rivet-style bracelets in good order add.
An orientation for honest, unrestored condition — never an appraisal, and never a quotation.
Questions we are asked
- What are snowflake hands?
- The square-tipped hour hand taken from Tudor's 1970s diving watches. On genuine production the square is correctly proportioned with lume filling the shape evenly; counterfeits get the square slightly wrong.
- Does a Black Bay have an in-house movement?
- It depends on the reference. Earlier production used modified ETA bases and later references use Tudor's own MT calibres. Establish the reference first, since in-house references also hold their value better.
Lovenhall WatchRead the watch itself
The checks tell you how it was made. The instrument tells you what it appears to be, and roughly what its kind fetches.