Watch Almanac

Independent watchmaker

Diadem Jewelers

Independent Greensboro watchmaker with an on-site WOSTEP-trained technician, servicing Rolex, Omega, Tudor, TAG Heuer, Breitling, Cartier and Seiko.

Diadem Jewelers runs an on-site watchmaking operation in Greensboro, with a watchmaker holding AWCI CW21 and WOSTEP certification. Work covers the usual range a mechanical or quartz watch might need: battery swaps, full service and overhaul, crystal replacement, case and bracelet polishing, bracelet sizing, and water resistance (pressure) testing.

Brands serviced include Rolex, Omega, Tudor, TAG Heuer, Breitling, Cartier and Seiko, and the shop also takes on vintage repair work. The shop says it is an authorized service center for those same seven brands, though that status is a claim made by the business and worth confirming directly if it matters for your piece.

Pricing starts at $30 for a battery replacement and $200 for a full service, putting it in the mid-range for independent watchmakers. A full service typically takes about two weeks. For customers who aren't local, Diadem offers mail-in service, which is worth asking about when you call, since drop-off and shipping logistics aren't detailed on the site.

The shop keeps regular retail hours, open Monday through Friday from 10 to 5:30 and Saturday from 10 to 2, closed Sundays. Given the range of services and the on-site watchmaker, this reads as a shop set up to handle both routine maintenance and more involved repair or restoration work on recognized brands rather than just basic battery and strap jobs.

Services

  • Battery replacement from $30
  • Full service and overhaul from $200
  • Vintage watch repair
  • Case and bracelet polishing
  • Crystal replacement
  • Bracelet sizing
  • Water resistance testing
  • Mail-in repairs
  • Watchmaker on site

Brands and credentials

Says it is authorized for
Rolex, Omega, Tudor, TAG Heuer, Breitling, Cartier, Seiko
Brands serviced
Rolex, Omega, Tudor, TAG Heuer, Breitling, Cartier, Seiko
Certifications
AWCI CW21, WOSTEP
Turnaround
typically 2 weeks

From the shop's own website, not checked with the brands. Confirm an authorization with the brand before sending in a watch under warranty.

Questions

Does Diadem Jewelers work on Rolex watches?
Yes, Rolex is one of the brands they service, and the shop says it is an authorized service center for Rolex, though that claim should be confirmed directly.
How much does a battery replacement cost?
Battery replacement is listed at $30.
How long does a full service take?
A full service typically takes about two weeks, with pricing starting at $200.
Can I mail in my watch instead of visiting the shop?
Yes, Diadem Jewelers offers mail-in service for customers who aren't local.
Is the shop open on weekends?
It's open Saturday from 10am to 2pm but closed on Sundays.

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