Hamilton Khaki Field Expedition AutovsMarathon Steel Navigator SSNAV Auto

The Hamilton Khaki Field Expedition Auto is widely praised for its value, robust build, and versatility as a "Go Anywhere, Do Anything" timepiece. Owners and reviewers highlight the H-10 movement's 80-hour power reserve and accurate timekeeping, with figures ranging from +4 seconds per day to within COSC parameters. Its legibility is a consistent strength, featuring clear Arabic numerals and Super-LumiNova, and wearability is noted as excellent, especially in the 37mm size. The brushed steel case and compass bezel contribute to its tool-like appeal. However, some owners report water ingress issues due to the non-screw-down crown, and the practical utility of the compass bezel is questioned by reviewers, though it adds to the watch's aesthetic. Some find the OEM leather straps uncomfortable. Overall, owners and reviewers rate the Hamilton Khaki Field Expedition Auto highly for its superb value and robust, versatile design.

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.