Marathon JDD (Jumbo Day/Date) Anthracite Diver's AutomaticvsSeiko Seiko power design project collection 1 collection 1 Limited Edition

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.

The Seiko power design project collection 1 collection 1 Limited Edition features a stepped-case design that some owners find mesmerizing. One owner favors the golden-dial rectangular model but would prefer it without PVD. The collection includes three unisex bracelet models with stainless steel cases measuring 20.2 x 6.7 x 26.1mm, utilizing the 4N30 quartz caliber, with each being a limited edition of 500 units. On balance, owners appreciate the unique design elements of the Seiko power design project collection 1 collection 1 Limited Edition, with some specific aesthetic preferences noted.