Sargent And Greenleaf Swiss Movement Time LocksJames Sargent
was the first person to construct and install a vault door time lock. That was back in 1874, and S&G has taken time locks and delays very seriously ever since. These devices are proven deterrents to armed robbery, and their effectiveness has been evident ever since. Sargent & Greenleaf offer Sargent And Greenleaf Swiss movement time locks in configurations suitable for all applications from small safes to massive vaults, S&G has a time lock to fill your security needs.