MODEL: CM1010D-LCJ-WH Box & Cert Dated 2006, Local AD, with Servicing Receipt Dated APRIL 2011. Ball Trainmaster Pulsometer Chronometer. This elegant chronometer features a precision chronograph movement housed in a 40mm stainless steel case. It is paired with a new black leather strap secured by the original stainless steel buckle, combining classic design with reliable performance.