Janome New Home 720 Sewing Machine with Accessories The Janome New Home JNH720 Jem Platinum contains all the great features of a full-size machine, with a smaller model's price and efficiency - making the Janome Jem Platinum JNH720 ideal starter model for beginning sewists or travel machine for classes and guild meetings. The Janome JNH720 is a 3/4 size machine that weighs just 12 pounds, but the Jem Platinum packs the full weight of other computerized sewing machines, incorporating advanced controls and a wide range of everyday functions. Its advanced features and compact design make the Janome Jem JNH 720 an ideal travel machine for quilters.