• Anodised aluminium body
• Modes: "Stop", "Left-hand winding" and "Right-hand winding
• Activation of the rotation by pressing the crown or by pulling the ring slightly
• Battery: Nimh LR03 (AAA)
• Battery life: 120 minutes on full charge
• Disengagement by direct friction
• Universal elastomer coupling
• No-load speed of 150 rpm
• Maximum torque of 40 mNm
• Supplied in black box with:
2x rechargeable batteries and mini USB charger + mains adapter
1x stainless steel screwdriver Ø 2.00 N° 30081-200
1x interchangeable bit with standard eraser N° 31408-E

Bergeon 31408 Motorized Watch Crown Winder Tool

For right hand mainspring winders. In wooden case. Below 12 numbers with 1 handle.

For Full List of Mainsprings We Carry, CLICK HERE!