Over 400,000 watches covered by Chrono24 Buyer Protection

Proper Time

About us:

Peter Pronko, PhD is the lead watchmaker at Proper Time, a jewelry store and watch repair business in Wellington, CO. He owns and operates this business with his wife Diana. He was trained in watch repairing from an early age in his family's jewelry business (stevepronko.com), where he served as an apprentice before attending college and university. In addition he was further trained at the American Watchmakers and Clockmakers Institute (AWCI) and  regularly participates in ongoing seminars and workshops on specialized repair of new and complex watches. Dr Pronko , who holds advanced degrees in physics, is an emeritus faculty member at the University of Michigan, College of Engineering, Ann Arbor, MI (umich.edu). He served on the board of directors at the American Watchmakers and Clockmakers Institute (AWCI.com) from 2016 to 2019.


Proper Time

3744 Cleveland Ave.
P.O. Box 1468
Wellington, CO 80549
United States of America

Contact Information
Tel.: [+1] 970-568-3215
Fax: [+1] 970-568-3215
Mobile: [+1] 734-476-7196

We speak:

Further information

General Terms and Conditions

Trusted Seller since 2018
This dealer owns a store in which you may view their watches.
Watches sold with Buyer Protection: 11

4.7 out of 5 stars  |  Reviews: 10

Detailed explanation of ratings 

Item description
of buyers would recommend this dealer.
View current listings

Current top offers

Store Opening Hours


10:00 AM - 2:00 PM


10:00 AM - 2:00 PM


10:00 AM - 2:00 PM


10:00 AM - 2:00 PM


10:00 AM - 2:00 PM