This switch was due to the fact that Rolex had reached a new level of innovation in movements technology.Īs the new Parachrom hairspring became standard in many Rolex calibers, accuracy was increased to +2/-2. In 2015, Rolex required all ADs to begin including green Superlative Chronometer tags with new customer purchases, rather than the red seal. If you’ve bought a Rolex in the past 5 years, you may have noticed the transition from the red certification seal to the Rolex green COSC certification seal. Image source What Does a Rolex Green Hang Tag Seal Mean? It also indicates a two-year factory warranty for the watch, However, since red seals were last used in 2015, these guarantees have all expired at this point. The red seal has a second meaning aside from guaranteeing the movement’s accuracy. So, if you send a watch with a red seal in for factory service, this is the horological standard that it will be corrected to. Watches with a red Rolex seal are certified accurate to -4/+6 seconds per day. You can see the literal seal of their approval in the official Rolex seals. ( In English, the Official Swiss Chronometer Testing Institute.) COSC is the governing body that determines official watch accuracy.

This is an earlier Rolex warranty seal that indicates certification by the Contrôle Officiel Suisse des Chronomètres. One one side, the seal has a hologram with several Rolex crown logos overlapping. If you’ve purchased a Rolex watch that was made before 2015, it may come with what looks like a red wax seal hanging from a green and gold-colored thread. What Does a Red Rolex Hang Tag Seal Mean? Fear not, we’re here to clear up all the confusion that exists here. So, if you found yourself googling “Differences between Rolex green seal and Rolex red seal” after a recent purchase, you’re not alone. There have been changes to the hang tags in recent years that have been a little confusing. Yet there’s one Rolex authenticating item we haven’t discussed: the wax seals, sometimes called 'Rolex tags' or 'hang tags' and caseback stickers that come with each purchase. We’ve also given some tips for authenticating a vintage purchase, if you’re waded into the world of secondhand luxury Swiss watches.

We’ve explored why we love the three little words “box and papers,” and we’ve reviewed what a complete set of authentication papers looks like in 2021. Recently in the Everest Journal, we’ve taken a deep dive into the swag, accoutrements, certifications and guarantees you might get when you purchase a Rolex.

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