Praesidus DD-45vsGrand Seiko SLGC001

The Praesidus DD-45 is lauded for its detailed vintage-inspired design and solid finishing, with reviewers highlighting the impressive aged indices and hands on the "Patina" version and a well-finished 38mm steel case. Its 100-meter water resistance exceeds that of the original military watches, and the included leather strap is praised for its quality and vintage character, despite initial stiffness. One reviewer notes the Landeron movement exhibits jerky hand-winding. Overall, reviewers rate the Praesidus DD-45 highly for its faithful vintage aesthetic and robust build at its $900 price point.

The Grand Seiko SLGC001 is praised for its high-tech titanium construction and 72-hour power reserve. Reviewers note the new 9SC5 movement, a 5Hz caliber with a +5 to -3 seconds per day accuracy rating. The watch features a balanced tri-compax dial and 100m water resistance. However, its 43.2mm width and 15.3mm thickness are described as bulky, and some find its styling less distinctive than previous models. On balance, reviewers highlight the technical achievement of Grand Seiko's first mechanical chronograph, despite its substantial dimensions.