No. 644393, Official RR Standard, with Canadian dial
23-jewel Grade 999 18-size, radial damascened full plate movement adjusted to 5 positions, signed "Ball Watch Co., Cleveland O.", jewels in settings, double roller escapement, bimetallic balance, overcoiled spring, swan's neck regulator with index on balance cock, stem wound, lever set, white enamel dial signed "Official RR Standard, Ball Watch Co. Cleveland, O." with black arabic 12-hour numerals enclosing 24- hour numerals, subsidiary seconds, blued hands, plain Fortune gold filled swing out open face case
56mm