clock - Crystal circuit works in breadboard but not in perfboard

I'm a beginner and I'm trying to build a digital clock. My clock generator looks like this:

circuit http://img189.imageshack.us/img189/855/tempgd.png

It works perfectly on the breadboard, where I can see the LED blinking at 2 Hz. However, when I try to solder it on the perfboard, it blinks much faster. I don't have a way to measure, but I'd say something like 10 Hz.

I tried to mount three times on the breadboard and three times on the perfboard, and always get the same result. I checked and rechecked the connections, and everything seems to be fine. I have no idea where the problem might be. What could be wrong?

EDIT

I tried replacing the two 15pF capacitor for two 22pF, but it didn't help. Unfortunately, I don't have access to a oscilloscope to see what's happening inside.

Here are the photos of the circuit. The first one is the component side.

photo1 http://imageshack.us/a/img405/5062/dsc07884v.jpg

The second one is the soldering side. Please excuse my bad soldering, I'm a beginner, and it's a little messy from all soldering/desoldering. However, I tested all connections and the connections are correct.

photo2 http://imageshack.us/a/img132/9470/dsc07885l.jpg

Additional question: I'm using a 10K resistor. I saw a similar circuit on the internet that uses a 220K resistor in its place. Could that be the problem?