Marathon JDD (Jumbo Day/Date) Anthracite Diver's AutomaticvsTimefactors Voyager GMT

Owners widely praise the Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic as a tough, underrated tool watch with lifestyle appeal, highlighting its robust build and tritium lume for excellent legibility. However, its 46mm size is a common criticism, with some finding it heavy and top-heavy, and the OEM rubber strap stiff. One owner noted the watch runs about 10 seconds fast after three days, and the ETA 2836-2 movement offers approximately two days of power reserve. On balance, owners and reviewers rate the Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic highly for its robust tool-watch build and legibility, despite its substantial size.

Owners widely praise the Timefactors Voyager GMT for its perfect timekeeping. One owner noted the watch's 15mm thickness as excessive for their wrist, though another owner felt a similarly thick sibling model was not problematic. The Timefactors Voyager GMT is a 42.5mm automatic watch with 300m water resistance. Overall, owners rate the Timefactors Voyager GMT highly for its exceptional accuracy and completeness of package.