Rolex
Milsub 5513 made for the British Royal Navy
, Stainless steel round case, n.3927201, fixed spring bars, stainless steel rotating bezel, black aluminium bezel turned to blue, case back engraved with the Broad Arrow and issued "0552/923-7697, 370/75", serial number repeated inside. Black dial, luminescent indexes, encircled "T", sword-shaped hands. Automatic movement, cal.1520. Fabric Phoenix strap. Size: 40 mm. Accompanied by Rolex service receipt.