How to Identify Your S.T. Dupont Lighter Model

Not sure which S.T. Dupont lighter you’re holding? Whether you just received one as a gift, inherited it from a family member, or found it tucked away in a drawer, it’s not always easy to tell which model you have. This guide was created to help you identify your S.T. Dupont lighter by showing key features, measurements, and model-specific details—all with side-by-side photos to make the process simple.

Identifying Line 1 Lighters

Standard / Small

~59.6 x 35.6 x 13.5mm / ~47.7 x 35.6 x 13.5mm

- Single Gas Refill Cover on the Bottom

- Ligne 1 BS - Shut off Valve Under The Lid - Flame Can Not Be Adjusted

- Ligne 1 BR - Flame Adjustment Wheel Located Under Lid 

 

Identifying Line 2 Lighters 

-Standard / Small 

~62 x 37 x 11 mm / ~56 x 32 x 10mm

-Flip-open lid with cap-spring mechanism

-Covered refill port and adjustment knob on the bottom of the lighter

-Traditional flint ignition

 

Identifying Le Grand Lighters

-Typical Size: Approx. 66mm x 39mm x 14mm

-Flame Type: Dual ignition (soft flame + torch flame)

-Old Generation Lighters - Refill port and adjustment screw hidden beneath bottom flap

- New Le Grand (Cling) Models - Covered refill valve and adjustment screw on bottom

 

Identifying Gatsby Lighters

~55.5 x 37.5 x 11 mm

-Flame Type: Single or Double soft flame

-Bottom Features: Covered gas refill port & 

Flame adjustment screw

- Double Godron Pattern

 

Identifying Line D Lighters

~57 x 31 x 11 mm

-Flame Type: Single soft flame

-Bottom Features:

-Covered gas refill port

-Flame adjustment screw

-Angled Flame

 

Identifying D-Light Lighters

~37 x 66 x 8 mm

-Single soft flame

-Ultra-thin rectangular body with smooth, minimalist lines.

-Top-mounted roller positioned above the flame port.

 

Identifying Defi Jet Lighters

~45 x 68 x 15 mm

- Rectangular Shape with Black Bumpers

- Side Trigger

- Covered Jet Flame

- Fuel Viewing Window

~ 45 x 72 x 17mm

- Rectangular Shape with Black Bumpers

- Side Trigger

- Covered Jet Flame

- Fuel Viewing Window

 

Identifying Megajet Lighters

~ 73 × 40 × 16 mm

- Tall, rounded cushion-style body

- Side Trigger

- Uncovered Extra-Wide Flat Jet Flame Mechanism

Identifying Maxijet Lighters

~ 65 × 37 × 13 mm

- Taller, rounded cushion-style body

- Side Trigger

- Covered Single Jet Flame Mechanism

 

Identifying Minijet Lighters

~ 55 × 33 × 12 mm 

- Small, rounded cushion-style body

- Side Trigger

- Uncovered Single Flame Mechanism

 

Identifying Slim 7 Lighters

~ 65 × 37 × 7 mm

- Super Slim Rectangular Shape

- Side Trigger

- Uncovered Flat Jet Flame

 

Identifying Slimmy Lighters

~ 67 × 37 × 9 mm

- Super Slim Rectangular Shape

- Side Trigger

- Uncovered Flat Jet Flame

 

Identifying Biggy Lighters

~ 73 × 40 × 16 mm

- Super Slim Rectangular Shape

- Side Trigger

- Extra-wide Flat Jet flame

 

Identifying Twiggy Lighters

~95 x 25 x 9.6mm

- Tall Thin Rectangular Shape

- Side Trigger

- Uncovered Flat Jet Flame