Opening a Timex watch depends on the type of case back it has. Here's how to approach opening most common Timex watch case backs:
1. Identifying Your Case Back Type:
- Snap-Off/Pop-Off Back: This is the most common type, especially on Timex Weekender models. These have a small indentation or lip somewhere around the edge of the case back.
- Screw-Down Back: These have a series of small notches or slots around the edge of the case back, indicating it screws in.
- Screw-In Back with Polygonal Shape: Some Timex watches have a screw-in caseback with a polygon (e.g., hexagon) shape.
2. Opening a Snap-Off/Pop-Off Case Back:
- Tools: You'll need a case knife or a thin, sturdy flat-head screwdriver. Avoid using a sharp knife as you might damage the case or injure yourself.
- Procedure:
- Locate the indentation/lip: Examine the edge of the case back to find the small indentation.
- Insert the tool: Carefully insert the tip of the case knife or screwdriver into the indentation.
- Pry Gently: Gently pry the case back upwards. Work your way around the case back, if necessary, until it pops off. Be patient and avoid excessive force to prevent damage.
- Protect the surface: Place a piece of tape on the case near the indentation to help prevent scratches.
3. Opening a Screw-Down Case Back:
- Tools: A case back removal tool or adjustable case wrench is ideal. Some can be opened with a pair of pointed tweezers, but this carries a higher risk of scratching the watch.
- Procedure:
- Secure the Watch: Place the watch in a watch vise to hold it securely. This prevents slipping and scratches.
- Position the Tool: Adjust the case wrench so the prongs line up with the notches on the case back. Alternatively, carefully position your tweezers into two opposing notches.
- Unscrew the Case Back: Rotate the tool counter-clockwise to unscrew the case back. Apply even pressure and avoid forcing it.
- Remove the Back: Once unscrewed, carefully lift off the case back.
4. Opening a Screw-In Case Back with Polygonal Shape:
- Tools: You'll need a socket wrench or case wrench with appropriate bit that matches the polygon shape on the caseback.
- Procedure:
- Secure the Watch: Place the watch in a watch vise.
- Fit the Socket: Position the socket wrench or appropriate tool onto the case back.
- Unscrew the Case Back: Turn the wrench counter-clockwise to unscrew the case back.
Important Considerations:
- Water Resistance: Opening a watch compromises its water resistance. After closing the case back, it's advisable to have it pressure-tested by a professional if water resistance is crucial.
- Seals: If the watch has a rubber gasket or seal around the case back, inspect it for damage and replace if necessary to maintain water resistance.
- Battery Replacement (Common Reason to Open): For Timex Weekender watches with snap-off backs, the battery is typically a CR2016 3-volt battery.