Brand: rolex Model: Submariner 5513/5517 Milsub assigned to the British Navy 1976's top condition Reference: 5513 Number serial case: 376XXXX Number serial movement: Year of production Rolex: 1974 Case / Dimensions: Steel with lugs welded to the case / 40 mm without winding crown Case thickness: 13 mm including plastic glass Case back: Oyster 5513 steel screw cap O552/923-7697, assigned piece number 5XX 76 Water resistance: 200 mt / 20 atm Bezel: Bidirectional steel with aluminum insert scale 60 original Rolex Milsub Glass: Tropic 19 plastic up to the dome Dial: Matte black color with indexes and sword hands to tritium original Rolex of the era Movement: Automatic mechanical caliber 1520 - 26 jewels Watch strap: Nato in fabric gray Color with steel clasp original British of the era Box: Original Rolex 5513 of the era Certificate of Authenticity: myWatch certificate by KeepTime Lab Shop Warranty: Valid for 12 months Notes and Conditions: Rolex Submariner 5513/5517 Milsub steel year of manufacture Rolex 1974, commissioned by the British Royal Navy in 1976, bidirectional steel bezel with aluminum insert scale 60, domed plastic glass, matt black color dial with military "t" circled, indexes and sword hands to tritium original Rolex of the era, automatic mechanical movement, nato in fabric gray color strap with steel buckle original English of the era. Rare example of the Rolex Submariner with double Rolex reference, 5513 engraved inside between the lugs at 06:00, 5517 outside on the lug at 07:00. On the outside of the case back is still clearly legible the military engraving with the code of the British Royal Navy "0552", NATO code "923-7697" followed by the allocation number to the military diver "5XX" with the year of allocation "76" to certify special order; the case serial number 376XXXX it is engraved / repeated also inside the case back. Watch military original Rolex in every detail, very rare and of great charm, overhauled in excellent cond...