44 Special Smith & Wesson Triple Lock revolver and was made with a 5-inch (13 cm) barrel and fixed sights. In response, Smith & Wesson introduced the large frame.Citizen serial numbers are normally an 8 digit number but can be from 6 to 9 characters and modern Citizens may have a letter (O, N or D) in the second position, if the second digit is a zero check in case it is actually the letter There are currently over 200 Citizen movements in the database and growing.