The large clock projecting from the tower was a well-known landmark in the city as it hung over the roadway of Old London Bridge. It was presented to the church in 1709 by Sir Charles Duncombe (Alderman for the Ward of Bridge Within and, in 1708/09, Lord Mayor of London). Tradition says "that it was erected in consequence of a vow made by the donor, who, in the earlier part of his life, had once to wait a considerable time in a cart upon London Bridge, without being able to learn the hour, when he made a promise, that if he ever became successful in the world, he would give to that Church a public clock ... that all passengers might see the time of day." The maker was Langley Bradley, a clockmaker in Fenchurch Street, who had worked for Wren on many other projects, including the clock for the new St Paul's Cathedral. The sword rest in the church, designed to hold the Lord Mayor's sword and mace when he attended divine service "in state", dates from 1708.