New Swiss Made Mainspring for CTR 1847 Automatic Mechanical MovementFeatures: Product material is strong, durable, long service life. 100% brand new watch repair parts and replacements Package included: 1X watch part

and electronic products

and 12:00  {NOT included)

- Kann als Ersatzteil zur Erleichterung des Werkwechsels verwendet werden

come with spring pins and tool

Size S with handle: 6cm(length)X1

Replace Seiko 4N00

6mm      14

Gehäusematerial: Vollstahl

With 5 different notches for tightening all sizes of hairspring collets and for reaming

The stem ( included)

Great product for cleaning precision watch dial and small gears

Mit feiner Spitze und extra langer Kontaktfläche