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.
We care for the planet we live, & committed to find greener ways to create value
MSD Membership
Become a member
Enjoy 10% off your first online order
Your imagination. Our creation.
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*This offer excludes all items on sale
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