Feb 7, 2025 · No expert but think this may be a marriage - the Prima movement was Rolex's top quality, adjusted to 6 positions & isochronism. It was found in gold cases not plated ones. I would think the original gold case has been scrapped and the movement fitted in this cheaper case can we see pics of the inner case-back markings

Jun 27, 2023 · It is a Rolex, a jewel would be a better way of fixing arbor sideshake. b) the balance appears to have magnetic problems and maybe the escape wheel too. My suggestion was to remove the pinion rather than the risk of removing …

Jan 14, 2025 · 1. The classic giveaway is if the seconds hand moves once per second, meaning incorrect quartz movement. Of course, a Rolex Tru-Beat or Oysterquartz ticks once per second, but yours is supposed to be a GMT Master that ticks five times or so per second. 2. A GMT bezel should turn both directions, not just one.

Aug 24, 2016 · They use 2 types of Rolex specific grease: one for the pallets and one for all other thing that are lubed with Fat. You should be able to use 9504 (the blue grease) from Moebious and specifically for the pallets 9415 also from Moebius. The thick oil Rolex prescribes today is HP1000. The thin oil Rolex prescribes in Moebius 9010. Succes RonP

Jul 31, 2024 · The reference number between the lugs is M832118 and also inside the dial track The movement Rotor has 25 J 1940 S.A, with the Rolex logo and inside the case back has 2350. I think the movement has a number under the balance wheel 2836-2

Oct 28, 2002 · As time went by, whenever Rolex found it necessary to install a case back with a different number on a particular watch, they began using a jeweler's engraving machine (pantograph) to scratch through the original ref. number, and …

Jan 28, 2014 · These were amongst the only ROLEX watches produced and allowed by ROLEX to appear without the name ROLEX on the dial. This watch also retains the original ROLEX winding crown. The movement is the original 17 jewel manual wind and keeps perfect time.

May 30, 2024 · I don't think it's specifically produced for Rolex, because at that time Rolex companies didn't pay much attention to the pocket watch business. They directly purchased ready-made models of Colibri for modification and upgrading, and then assembled them into products for sale.

Jan 12, 2021 · My new job-lot find....A Rolex 1992 Daytona 24 Winner, 18k Rose gold Oyster perpetual chronometre.. the joblot advert was selling the watches as spares-repairs although it was just a new battery most needed as I know now ive put them in. All the watches in the lot appeared to be quality made &...

Sep 4, 2001 · Perhaps I should have been clearer in my previous message. All "15 series" Rolex movements (1520, 1530, 1535, 1536, 1555, 1560, 1565, 1570, 1575, etc.) are based on the 1530 model. The 1530 is the "basic" model, from which all the others are derived. In many cases, Rolex movements are not what they're marked.