Hamilton Jazzmaster Slim AutovsEcho/Neutra Rivanera

Owners widely praise the Hamilton Jazzmaster Slim Auto for its elegance, light weight, and classy yet not boring aesthetic, with particular appreciation for its amazing leather strap and a slim 8mm thickness. Some find the 40mm case size appealing, while others mention a 43mm variant exists. The watch is noted for its ETA 2892 movement, positioning it competitively for its price. Overall, owners rate the Hamilton Jazzmaster Slim Auto highly for its slim profile and elegant design at the price.

The Echo/Neutra Rivanera is widely praised for its exceptionally thin, lightweight Grade 5 titanium case, with reviewers noting profiles ranging from 5.5mm to 5.9mm, and a 40mm lug-to-lug measurement that some find requires an adjustment period. Owners and reviewers highlight the watch's respected ETA/Peseux 7001 manual-wind movement, its Art Deco-inspired design, and impressive packaging for its price point. Some enthusiasts note a preference for a smoother finish over the bead-blasted case, and the non-hacking nature of the movement is also mentioned. On balance, owners and reviewers rate the Echo/Neutra Rivanera highly for its unique, slim titanium design and value proposition.