With Longines letter dated 9 August 2001 confirming that the present 18K gold hunter case minute repeating watch was sold on 18 December 1909 to Jaccard Geneva, also Longines' agent for certain terroritories in Argentina at the time. Production had been launched on 8 May 1905.
Furthermore delivered with a copy from the work books, the entry confirming that two watches with 19/20 repeating movements were made, the present no. 1’693’538, with gold case, and watch no. 1’693’537, with silver case.