Seiko LSWN-28BL-3

Max.sewing speed 	2,600s.p.m.
Max.stitch length 	10mm
Clearance under presser foot 	13mm(by knee)
8.5mm(by hand)
Needle bar stroke 	33.2mm
Needle(Standard) 	135×17 (#140)
DPx17 (#22)
Hook 	Large vertical axis hook (2.0times)
(Automatic lubrication type)
Amount of walking foot movement 	3-6mm(Standard 4mm)
Lubrication 	Semi-automatic lubrication type