No I did not use Flash. Most of the time, flash is very harsh and would create a pic with too much light. So the best is not to use any flash. It your pic turns out too dark, you can either:

1. Set longer shutter exposure or

2. Set your EV point higher or

3. Use higher ISO setting.

If still dark, then you have to move your watch closer to the light. Or alternatively, like others, use a light box with some spot lights.

Hope that helps.

PS: You need to use some Photoshop features too.