The event was only launched last year by Fondation Haute Horlogerie (FHH), the organization behind SIHH in Geneva, in conjunction with the Miami Design District Associates (MDDA).
Watches & Wonders have announced a luxurious four day event to take place in Miami in February.
The dozen new members will all exhibit at next year's SIHH exhibition in Geneva.
HYT and H. Moser & Cie. are the two latest watch makers to join the 28 member brands
Exhibition will take visitors through six periods of horological history.
Fondation de la Haute Horlogerie presents 4th annual pair of prizes
SIHH establishes Carré des Horlogers section and Ralph Lauren exits.
FHH chairwoman and MD Fabienne Lupo charts 25 years of SIHH.
Professional exams to grade watch knowledge of retail staff.
Company is 28th brand to join initiative to promote fine watchmaking.