c.1912; open face case having serial #156923, nickel lever movement, 31-jewels, 8-adjustments, bi-metallic compensation balance, white enamel dial, Arabic chapter markers with an outer minute chapter ring in red, inset subsidiary seconds dial at the six o’clock position, gold foliate hands; dial marked “Spaulding & Co”; back cover of case initialed FKH (Frank K Hoover of Hoover Vacuum); inside back cover marked “PP.Co”, “18Kts” and “270987”; dust cover engraved “Spaulding & Co, Chicago”, “No 156923” and “Presented to Frank K Hoover Chicago, Ill By his Brother J W Hoover August 25th, 1913”; inside dust cover marked “18K” and “270987; movement marked “Patek Philippe & Co, No 156923, Geneva, Switzerland”, “thirty one, 31 jewels, eight (8) adjustments” and “Spaulding & Co, Chicago”; with a 14k gold watch chain