The Self Winding Clock company was a major manufacturer of clocks from 1886 until about 1970. Located at nos. 10 & 12 Dey Street New York City

New York City

New York is the most populous city in the United States and the center of the New York Metropolitan Area, one of the most populous metropolitan areas in the world. New York exerts a significant impact upon global commerce, finance, media, art, fashion, research, technology, education, and...

 with a branch office at 39 Madison Avenue in Chicago

Chicago

Chicago is the largest city in the US state of Illinois. With nearly 2.7 million residents, it is the most populous city in the Midwestern United States and the third most populous in the US, after New York City and Los Angeles...

, Illinois

Illinois

Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...

.

They made the four (4) 30' (9.1meter) diameter clocks faces on the Metropolitan Life Insurance Company Tower

Metropolitan Life Insurance Company Tower

The Metropolitan Life Insurance Company Tower, also known as the Metropolitan Life Tower or Met Life Tower, is a landmark skyscraper located on East 23rd Street between Madison Avenue and Park Avenue South, off of Madison Square Park. in the borough of Manhattan in New York City...

 and made products for Western Union

Western Union

The Western Union Company is a financial services and communications company based in the United States. Its North American headquarters is in Englewood, Colorado. Up until 2006, Western Union was the best-known U.S...

 and the London Underground

London Underground

The London Underground is a rapid transit system serving a large part of Greater London and some parts of Buckinghamshire, Hertfordshire and Essex in England...

. There are two examples at Tooting Bec tube station

Tooting Bec tube station

Tooting Bec is a London Underground station in Tooting, South London. The station is on the Northern line, between Balham and stations. It is located on the junction of Trinity Road , Upper Tooting Road , Balham High Road , Tooting Bec Road and Stapleton Road...

, that appear to have been recently restored, along with one at Balham tube station.

"The actual clock movements used by the Self-Winding Clock Company were made by other companies such as Howard

E. Howard & Co.

thumb|Street clock by E. Howard & Co.The E. Howard & Co. clock and watch company was formed by Edward Howard and Charles Rice in 1858 after the demise of the Boston Watch Company...

 , Seth Thomas

Seth Thomas (clockmaker)

Seth Thomas was an American clock maker and a pioneer of mass production at his Seth Thomas Clock Company.-Biography:Thomas was born in Wolcott, Connecticut, in 1785. He started in the clock business in 1807, working for clockmaker Eli Terry...

 and H.C. Thompson. They then fitted their winding devices and mounted them in cases of various designs, often made in case styles similar to those of companies like Howard

E. Howard & Co.

thumb|Street clock by E. Howard & Co.The E. Howard & Co. clock and watch company was formed by Edward Howard and Charles Rice in 1858 after the demise of the Boston Watch Company...

 and Seth Thomas

Seth Thomas (clockmaker)

Seth Thomas was an American clock maker and a pioneer of mass production at his Seth Thomas Clock Company.-Biography:Thomas was born in Wolcott, Connecticut, in 1785. He started in the clock business in 1807, working for clockmaker Eli Terry...

."