SINGER Heavy Duty 4423 Sewing Machine. The item "SINGER Heavy Duty 4423 Sewing Machine" is in sale since Thursday, August 12, 2021. This item is in the category "Crafts\Sewing\Sewing Machines & Sergers". The seller is "bajoh_3147" and is located in Watertown, Connecticut. This item can't be shipped, the buyer must pick up the item.