| Business | Phone |
| Ajr Watch Repair 4424 Treat Blvd, Concord 94521 | (925) 676-9400 |
| Joe's Clock & Watch 1915 Salvio St, Concord 94520 | (925) 682-1242 |
| Marshall Watch & Jewelry Rpr 1200 Contra Costa Blvd # A, Concord 94523 | (925) 798-7976 |
| Watch Zone 1955 Monument Blvd # 4c, Concord 94520 | (925) 246-8682 |