Waltham Grade Bond St.
Serial #18738294
Nice feature of the dial having a scripted signature and the USA beneath the signature.
Movement specification: 7 Jewels, Gilt, Bosley regulator, unadjusted. Breguet hairspring. Grade Bond Street. 1912.
Many Waltham movements were named after company employee's, former employee's, well known local people and even founder's of the company. It is very likely the 'Bond Street' name came from one of these sources.