Features of the Fabrications Stopwatch: One button operation, anti-magnetic, lever-movement, jeweled mec-hanism with metal case. 30 minute has 60 second sweep with 1/5 increments. 15 minute has 30 second sweep with 1/10 increments. With one of the largest catalogs of medical, surgical and diagnostic supplies available online, Medex Supply can accommodate your facility's needs for Personal Care. Timers & Stopwatches can be found in our extensive online collection of products from globally recognized and trusted brands, including Fabrication Enterprises. An excellent option to consider is the Fabrications Stopwatch.