Horage Autark TourbillonvsMarathon Steel Navigator SSNAV Auto

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 Marathon Steel Navigator SSNAV Auto is praised for its high-accuracy quartz movement, with owners noting its comfort and reliable performance. Reviewers highlight its functional tool-watch appeal, featuring a sandblasted steel case, tritium tubes for constant low-light visibility, and 100-meter water resistance. One owner finds the 41mm case runs a bit small. The Marathon Steel Navigator SSNAV Auto utilizes an ETA F06.412 quartz movement with a claimed accuracy of +/- 10 seconds per year and includes a GMT bidirectional bezel. Overall, owners and reviewers rate the Marathon Steel Navigator SSNAV Auto highly for its comfortable wear and dependable, high-accuracy quartz movement.