NEW ESCAPEMENT 11 JEWEL
34. mm long 21 mm wide 14.69 mm high top with bottom 9.12 mm top only
1.341 in. long .826 in . wide .584 in. high top with bottom .360 in. top only
Fits exactly in a Seth Thomas movement marked # A207 - 000, Hermle # 132 - 071SG, Boston 132-07.
Longer screws may be needed to mount
Balance frequency = 18,000 beats per hour
Escape wheel count - 15 teeth
Escape pinion count = 8 leaves
Escape pinion module = 0.20
Comparable Hermle escapement in Timesavers catalog page 25 #10852 lists for $175
Thanks for looking