For food :
1. Block 18 doggie noodle
Ning Po street, Yau ma tei
2. Yee sun milk company
Yau ma tei, nathan road
3. Kung Wo Tofu
Sham Shui Po
4. Tim Ho Wan
Olympian city, Sham shui po
5. Fat boy
Tsim tsa shui
6. Mammy pancake
Tsim tsa sui
7. Joy Hing
Hennesy road, wan cai
8. Tai Hing
Jordan
For watch (pre owned) shop, you will find many shops in Mong Kok :
Fa Yuen Street, Mongkok
Yan On Building. Kwong Wa street, Mongkok
Please note that most of the watch shops are closed on night. They open from about 10 am to 5 or 6 pm.
Happy holiday