Corum, a gold 'Reverse de Marche' watch, ref.73.109.56, signed guilloché dial with subsidiary

Corum, a gold 'Reverse de Marche' watch, ref.73.109.56, signed guilloché dial with subsidiary seconds and date dials and power reserve indicating to 48 hours, paired baton indicators, exhibition back, brown leather strap with gilt steel double deployant clasp, case width 3.4cm, automatic movement, case no. 461379, Swiss assay marks, box with guarantee