... stopwatch 2. Single Row Display 3. CE, ROHS 4. OEM &ODM acceptable Promotion Cheap Chronograph Watch(TF307) TF307 Stopwatch1. Single Row ... Time and Date Display3. Support 12/24 hours time format 4. Chrono Data, Stores Data For Each Run with Data ... Mould, Injection, Metal, Bonding, Coating, Packing and Assembling department etc.4. Product Line: Led Scoreboard, Stopwatch, Pedometer, Heart Rate Monitor, ...