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Doodle is a web tool and you can find more details here:

https://en.wikipedia.org/wiki/Doodle.com 

Before this update, the 867 was only available link in a 35mm steel case (The brand seems to have retired link the earlier small versions). This update brings the 867 collection back to its previous, smaller sizing, which feels exactly like what this watch should be. It never made sense as a 35mm, wannabe steel watch on a link bracelet, which is how RL had positioned it the past few years. We already have enough of those.

The Cal. 9900 is more than just a pretty movement. It's dual-rated with COSC and METAS certifications. METAS refers to the Swiss Federal Institute of Metrology and these folks actually evaluate the testing procedures that Omega uses as an additional layer of reassurance. All very meta. And of course the COSC certification is backed by link the Contrôle link Officiel Suisse des Chronomètres found on many high-grade movements. This is where the "Master" moniker is link derived from.