6"/15cm- 24"/61cm wall clock(509XX-CLOCK)Style 509XX Clocks are available in standard sizes from 9 to 24 . Clear glass crystal. 115V/60HZ synchronous movement. All brass gear train. Quartz battery movement optionally available on clocks through 16 by specifying the suffice QB after the clock style number. Finishes, Hands, Dials see product specifications. Custom finishes available on request.