August 18, 2026
Citizen Professional Diver 300M Reference: 5513-F50531 Y This is a rare model from the Promaster line, named Sporte, which has a larger 42mm case, and a rated depth of 300M. The movement is very clean and runs well with a new battery fitted. Overall physical condition is great. Only flaw is the 9 o'clock index, which has fallen off and replaced with a generic one. The rubber band is after market.