US Army M2 clock. Nice wooden case. The locks are functional. The carrying strap is missing. Handwritten label marked 6645-936-8120 ER I C/C-H. Internal number 624995. Bakelite clock originally mounted on its wooden stand. All hands present. US Army Clock Message Center M2 markings. Winding key complete. Some wear and patina. Condition II+. Used by the US Army during the Second World War, in the field, to mark when a message had been received. US Army M2 clock Wooden case with functional closures, transport strap missing. Handwritten label marked 6645-936-8120 ER I C/C-H, internal number 624995. Bakelite clock mounted on its original wooden support. All hands present. Marked US Army Clock Message Center M2. Winding key complete. Showing expected wear and patina. Condition II+. Used by the American Army during the Second World War in field message centers to record the exact time a message was received.