A/6538 was reclassified, and the first MilSub was added by the referee shortly after. 5512 is almost the watch you can buy in the store, except for solderable tin bars. After a short love with Omega's Seamaster 300, MOD returned to Rolex in 1971. Rolex has provided approximately 1,200 watches for Rolex from then to 1979, which are divided into three models according to the model. 5513 is used for SAS of the Army and SBS Special Forces of the Navy. Those military references are referees. No. 5513 5513/5517 and reference 5517.