Rolex 168000

[matthewt]

I recently purchased a Rolex 168000 sub, and with it being a 9.6mil serial number, and not an R serial, was told that this was not a true 168000 and many of them had an extra 0 stamped afterwards. When i look at the "third 0" the stamping must have been done at the same time as every aspect of the third zero is the same as the others (Including tiny tails and burrs). Are there any experts out there that could shed some light on this? Many thanks (Unfortunately i cant post a pic as i dont have enough posts, sorry.)