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🏠Family Owned ↩️30-Day Money Back ✔️Authorized Dealer 🛠️Certified Technicians

Bernina L 660 Overlock Serger Machine

Original price $3,499.00 - Original price $3,499.00
Original price
$3,499.00
$3,499.00 - $3,499.00
Current price $3,499.00
BERNINA Authorized Dealer
BERNINA Certified Technicians

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BERNINA machines require in-person service. Call us to schedule a demo.

BERNINA L 660

Arriving August 2026

Pre-order in store. Pricing available in store.

Exploring New Possibilities with Ease

The BERNINA L 660 is a powerful overlock serger built for working with a wide variety of threads and fabrics. Stretchy, knit, delicate, and heavy materials are all handled with precision and ease using 2, 3, or 4 threads. The illuminated One-Step BERNINA Air Threader, integrated BERNINA Free Hand System with Feed Dog Drop, and Micro Thread Control (mtc) make the L 660 one of the most comfortable and capable overlockers available — and Swiss-engineered to last.

One-Step BERNINA Air Threader BERNINA Free Hand System + Feed Dog Drop mtc Micro Thread Control 18 Stitch Patterns 3–9 mm Stitch Width 1,200 SPM Max Differential Feed Rolled Hem Swing-out Presser Foot Programmable Needle Stop Integrated Needle Threader Slide-on Table Included Dimmable Sewing Light Powerful DC Motor

BERNINA — Swiss Engineering & Perfection since 1893

Precisely manufactured down to the last detail. Durable build, a deep accessory ecosystem, and long-term parts availability.

  • Robust, long-lasting construction
  • Wide range of accessories
  • 20-year warranty on mechanical parts (details)
BERNINA Swiss Engineering badge

"The L 660 proves that sergers do not have to be difficult. It's not necessary."

Join Serena, Anna, and Christin on their trip to Zurich, where they discover the new L 660 and put it to the test on their individual projects.

BERNINA L 660 One-Step Air Threader integrated needle threader

Getting Started Has Never Been So Comfortable

  • Illuminated One-Step BERNINA Air Threader
  • Integrated needle threader
  • Magnetic all-in-one looper cover for intuitive threading prep

Hold the threads over the Air Threader, press the foot control, and threads are drawn in by air. Thread in any sequence — no handwheel turning required.

BERNINA L 660 Free Hand System swing-out presser foot

Convenient Handling

  • BERNINA Free Hand System (FHS) with Feed Dog Drop
  • Swing-out presser foot for easy needle access
  • 2-step presser foot lifter for thick or multi-layered projects

Raise and lower the presser foot hands-free with the knee lever while simultaneously dropping the feed dogs — effortlessly position and remove any project.

BERNINA L 660 speed control programmable needle stop dimmable light

Sew as You Like

  • Programmable needle stop — up or down, your choice
  • Slide speed control on the front panel
  • Dimmable sewing light for perfect visibility

Sew precisely stitch by stitch or at full speed up to 1,200 SPM. The back-kick function on the BERNINA foot control raises or lowers the needle with ease.

BERNINA L 660 Micro Thread Control differential feed precision

Precision in Every Detail

  • Micro Thread Control (mtc) — fine-tune looper thread amount while sewing
  • Stepless differential feed for wave-free seams on knits and delicates
  • Total Stitch Control — adjust width, length, and tension while sewing
BERNINA L 660 magnetic tool holder accessory box overlock foot

Everything in View and Within Reach

  • Magnetic tool holder — tweezers and scissors always at hand
  • Accessory box with integrated tool-insert lid
  • Overlock Foot with Tape Guide #L11 included
BERNINA L 660 slide-on table knife stitch width workspace

Clever, Spacious, and Compact by Design

  • Knife easily operated from outside — on/off without opening the machine
  • 3–9 mm stitch width, precisely adjustable
  • Slide-on Table included for large and heavy projects
BERNINA L 660 fast precise quiet DC motor

Extremely Fast, Precise & Quiet

  • Up to 1,200 stitches per minute
  • Powerful DC motor with minimal vibration
  • Smooth, consistent performance at any speed

Sew fast or stitch by stitch with equal precision — especially useful for perfect seams in corners and curves.

Machine Type Overlock serger — 2, 3, or 4 thread
Stitch Patterns 18 total — 4-thread overlock, 3-thread overlock (wide/narrow), 3-thread super-stretch, 3-thread flatlock (wide/narrow), 3-thread narrow seam, 3-thread rolled hem, 3-thread picot stitch, 2-thread overlock (wide/narrow), 2-thread flatlock (wide/narrow), 2-thread rolled hem, 2-thread wrapped overlock (wide/narrow), 2-thread blanket stitch (wide/narrow)
Stitch Width 3–9 mm (overlock); adjustable while sewing
Stitch Length 0.8–4.5 mm; adjustable while sewing
Differential Feed 0.7–2; fully adjustable while sewing
Maximum Speed 1,200 stitches per minute
Workspace 4.5" (114 mm) to the right of the needle; 3.25" (83 mm) workspace height
Motor DC — powerful, quiet, consistent
Weight 9.9 kg
Key Features One-Step BERNINA Air Threader with light, integrated needle threader, FHS with Feed Dog Drop, mtc Micro Thread Control, programmable needle stop up/down, swing-out presser foot, 2-step presser foot lifter, color-coded one-path threading, rolled hem lever, upper looper converter, magnetic tool holder, dimmable sewing light
Standard Accessories Overlock Foot with Tape Guide #L11, Slide-on Table, looper cover with cut-offs bin, BERNINA foot control with back-kick, tweezers, manual needle threader/inserter, needle set ELX705 CF, brush, screwdriver, CS Lock Tool, knee lifter, spool net, spool cap, spool stabilizer, overlocker oil, dust cover

Explore the full BERNINA collection at Flash Sew & Quilt, with locations in Jupiter, Naples, and Sarasota, FL. Our certified BERNINA technicians are on staff to demo the L 660 and help you find the right serger for your work.