Marathon Arctic OSAR 36mm AutomaticvsNivada Grenchen Antarctic GMT

The Marathon Arctic OSAR 36mm Automatic is noted for its non-tritium dial option, though some owners prefer the 1-12 numeral layout found on other models. One owner found the 36mm size too small for their wrist. Overall, owners appreciate the Marathon Arctic OSAR 36mm Automatic for its non-tritium dial option.

The Nivada Grenchen Antarctic GMT is widely praised for its authentic retro charm and excellent 36mm case proportions, with reviewers highlighting its faithful 1970s revival design and warm aesthetic. The watch features a Super Compressor-style case, a boxed Plexiglass crystal, and a caller-style Soprod C125 GMT movement with a 42-hour power reserve. However, its 50-meter water resistance is considered acceptable but not robust for a sporty watch, and the GMT hand is noted as being short and difficult to read by some. The internal bezel's tactile feedback could be stronger, and the Plexiglass crystal scratches easily. On balance, reviewers find the Nivada Grenchen Antarctic GMT to be a compelling retro-vintage option for smaller-cased GMTs, particularly for its design and compact sizing at its price point.