Tamahide
This is a restaurant of old standing which has been open since 1760. One of their specialties is chicken. As soon as the restaurant opens, you will see many people waiting for oyako-don (rice covered with seasoned eggs and chicken in a bowl). You will savor its combination of crispy chicken and sweetened soft eggs on top of rice (order oyako-don which is available until 1 p.m.). They also offer shyamo-nabe (a fighting cock cooked in a pot) and tori-kaiseki (a course dinner of chicken) at night.
Open 11:30 a.m. - 1 p.m. and 5 p.m. - 10 p.m., closed on Sundays and holidays

1-17-10 Ningyo-cho, Nihombashi, Chuo-ku / 03-3668-7651

Imahan
This is a famous restaurant for beef cooking such as sukiyaki, shabushabu and steak. Their delicious beef is highly recommended. Since lunch time is until 3 p.m., you can take your time.
Open 11 a.m. - 10 p.m., no holidays

Homapage:
http://www.imahan.com/index.html

2-9-12 Ningyo-cho, Nihombashi, Chuo-ku / 03-3666-7006

Hatsune
This is a very old Japanese sweet shop which has been open since 1837. They put a lot of effort into its cooking such as using red beans from Tokachi in Hokkaido and making rice cake in a stone mortar every morning for the sweet's base. This is a good place for you to take a break on a way back from Suiten-gu Shrine.
Open 11 a.m. - 9 p.m., Sundays and holidays open 11 a.m. - 6 p.m., no holidays

1-15-6 Ningyo-cho, Nihombashi, Chuo-ku / 03-3666-3082

Homi-tei
They serve Western-style cooking in a traditional Japanese room. The building itself was designed with traditional Japanese architectural style even though their specialty has been Western cooking since 1933. Try their hayashi-rice or chicken-rice in the tatami-room with an alcove. Their boxed lunch at 1,450 yen is highly recommended.
Open 11:30 a.m. - 1:30 p.m. and 5 p.m. - 10 p.m. (Open on Saturdays only in the evenings), closed on Sundays and Holidays

2-9-4 Ningyo-cho, Nihombashi, Chuo-ku / 03-3666-5687

Kotori
This is an udon (thick white noodles) restaurant which is located next to the Royal Park Hotel. You can suck their thick noodles from a soy sauce or sesame seasoned soup smoothly into your mouth in the traditional Japanese custom. Note that at noon time there will be a long line. They also offer fresh fish and various brews of local sake which are gathered from all over Japan at night.
Open 11 a.m. - 3:30 p.m. and 5 p.m. - 9:30 p.m. (Open Saturdays, Sundays and holidays 11 a.m. - 6 p.m.), no holidays

2-2-1 Kakigara-cho, Nihombashi, Chuo-ku / 03-3664-1030

Matsumura
This is a bakery which opens at 7 a.m. You will see a lot of bread which look to be made in the old-fashioned way. Since they have a parlor, you can eat their yakisoba-pan (chow mien covered bread) and croquette on the bread at the counter bar or at a table. You can also order an omelet and toast which they will cook right away.
Open 7 a.m. - 6 p.m. (Open Saturdays 7 a.m. - 3 p.m.), closed Sundays and holidays

1-14-4 Ningyo-cho, Nihombashi, Chuo-ku / 03-3666-3424

POEM
You will be pleasantly surprised by the choice of 100 kinds of coffee here. The brunch set is 750 yen and includes a sandwich and beverage. Their cake set is also 750 yen. You can also stock up on various kinds of fresh coffee beans here.
Open 9 a.m. - 10 p.m., closed on Sundays

18-2 Hakozaki-cho, Nihombashi, Chuo-ku / 03-3666-4700

Sakure
This Japanese-style restaurant offers mainly fresh fish. Makunouchi-bento (a boxed lunch with a variety and exquisitely arranged food) is 1,000 yen, sake-ikura don (salmon and salmon roe covered rice in a bowl) and negi-toro don (green leeks and raw tuna covered rice in a bowl) are both 1,200 yen each. Try their popular boxed lunch to go for only 700 yen.
Open 11:30 a.m. - 1:30 p.m. and 5:30 p.m. - 9 p.m. (last order), closed on Saturdays, Sundays and holidays

27-2 Hakozaki-cho, Nihombashi, Chuo-ku / 03-3661-1885