Horage Autark TourbillonvsYema Navygraf Marine Nationale CMM.10

The Horage Autark Tourbillon is noted for its technical achievement as an accessible Swiss-made micro-rotor tourbillon, featuring an in-house calibre with a ceramic ball bearing design and silicon components. It offers a 72-hour power reserve and 100m water resistance within a lightweight Grade 5 titanium 39.5mm case. Reviewers mention that some cosmetic aspects, like the power reserve indicator and dial color, were still being finalized on prototypes. Overall, reviewers highlight the Horage Autark Tourbillon as an audacious and accessible technical accomplishment for its price point.

The Yema Navygraf Marine Nationale CMM.10 is lauded for its vibrant blue dial and bezel, a slimmer 39mm case at 11mm thick, and its in-house CMM.10 caliber offering a 70-hour power reserve. Reviewers highlight the clean, legible dial, blue sapphire bezel insert, and competitive pricing under $2,000. However, the steel bracelet's clasp is noted by multiple sources as rattly and feeling slightly cheap, with one reviewer finding it difficult to open. Accuracy is reported within a range of +5/-3 seconds per day. Overall, reviewers praise the Yema Navygraf Marine Nationale CMM.10 for its attractive design and value proposition, tempered by minor concerns regarding the bracelet clasp.