The building in NYC that has a clock is the Metropolitan Life Tower, 1 Madison Ave.
The Metropolitan Life Tower "1 Madison Ave" has 4, three story tall illuminated clock faces.
Located at 24th Street, is a tower built in 1909 and inspired by St. Mark's Campanile in Venice features 17 foot minute hands and is now home to the New York EDITION Hotel.
Other buildings in NYC that have a clock are the Clock Tower Building, Paramount Building and Grand Central Terminal.
Known as the Clock Tower Building, located at 108 Leonard Street, formerly 346 Broadway, houses a 5,000 pound bell as well as a functioning, historically significant mechanical clock.
The Paramount Building located at 1501 Broadway also located in Times Square, is a building in NYC that features a large four faced clock at it's summit with stars as well as a glass globe.
The Grand Central Terminal in NYC also features the famous four faced opal glass clock atop the information booth, which is also a major tourist landmark.
And the Metropolitan Life Tower in NYC is often cited as the most iconic clock tower in the NYC skyline.
So there's more than one building in NYC that has a clock.
But the Metropolitan Life Tower in NYC is the most known and most iconic clock tower on a building in NYC.
Metropolitan Tower is 716 ft (218 m) tall with 68 stories.
At the time of its completion, Metropolitan Tower was New York City's tallest residential building, as well as the city's tallest reinforced concrete building.