Watch Services
50 Years of Experience You Can Trust
Over 50 years of watchmaking experience. The Watch Division of Market Street Diamonds is the most qualified, convenient, affordable and reliable source in the Mid-Atlantic Region for repairs, testing and warranty service for your fine Swiss timepiece..
We are more than pro watchmakers. We developed our own line of luxury military watches - lonzanowatch that we are very proud of. The watch line has been available for the enthusiasts since 2012.
Member of American
Watchmakers
& Clockmakers Institute
Lonzano Watch collection available in store
Time Products Sold New, Previously Enjoyed and Vintage Collector's Pieces
Master watchmaker with a specialized focus on watch servicing and repairs
Diagnostic Examination
Assessment, Cleaning & Servicing
Watch Case Disassembly & Polishing
Timekeeping & Calibration
Pressure Testing & Waterproofing
Quality Control
Expert Appraisals
"50 years of watchmaking & clockmaking experience that you can trust!"
Inspired by vintage combat aviation designs, and built with high-end swiss movement, the Lonzano Watch is the choice of exceptional men who cherish the spirit of adventure
For over a century, Market Street Diamonds has built its reputation based on a tradition of distinctive, devoted excellence and service. Founded by a sixth-generation Belgium diamond cutter, Market Street Diamonds opened its doors to provide exquisite, never-before-seen diamond cuts to a growing New York City elite. Over one hundred years later, we proudly continue the diamond renaissance, delighting in quality, craftsmanship and imagination.
Eco-Conscious Enterprise
We care for the planet we live, & committed to find greener ways to create value
