Pre-owned luxury watch dealer in Radnor, formerly on Philadelphia's Jewelers' Row, with in-house service for Rolex, Omega, Breitling and other Swiss watches.

Family-owned Lower Gwynedd jeweler north of Philadelphia, a Rolex Service Center whose own watchmakers carry out all repairs on site.

Family watch repair business in Highlands Ranch, Colorado, since 1951, with a CW21-certified watchmaker on site and mail-in service for all 50 states.

Long-established Brentwood, Tennessee jeweler with a CW21-certified watchmaker; most repairs are done on site, others by a factory authorized service center.

Independent watchmaker Mark Sirianni repairs and restores watches in Kane, PA, with nationwide mail-in service for Rolex, Omega, Hamilton and pocket watches.

Family-owned Wellesley watch shop where AWCI CW21 watchmaker Leonid Pishnik performs repairs on premises; authorized service for Baume & Mercier and Montblanc.

Dayton, Ohio service center founded in 1982, with about 40 watchmakers and authorized service for brands including Baume & Mercier, IWC and Jaeger-LeCoultre.

Official Rolex Jeweler in Novi, MI, with Rolex, Tudor and Breitling service through Tapper's and an Omega drop-off point; also a Longines retailer.

Family-owned Melville, Long Island watch repair shop doing overhauls and restoration on luxury and everyday brands, walk-in or by mail from across the US.

Downtown Seattle watch service shop servicing Rolex, Omega and TAG Heuer with genuine parts bought direct, walk-in or by mail worldwide.

Family watch repair shop in Cranston, RI, rooted in a 1940 watch hospital, servicing a wide range of brands in its own workshop and by nationwide mail-in.

Downtown Salt Lake City jeweler that Rolex lists as an Official Rolex Jeweler and Service Center, with its own watchmaker for movement overhauls.