Citizen Eco-Drive OnevsVaer G5 Meridian GMT

The Citizen Eco-Drive One is widely celebrated for its groundbreaking thinness, with multiple sources confirming its status as the world's thinnest light-powered watch, measuring between 2.98mm and 3.5mm. Owners and reviewers alike praise its exceptional lightness, titanium construction, and good build quality that avoids feeling flimsy, noting its "wow factor" and superb finishing. The watch features a proprietary, ultra-thin Eco-Drive quartz movement and a synthetic sapphire dial, with some models offering up to 12 months of power reserve. However, its high price, ranging from $3,500 to $5,000, is a significant drawback for some, and its aesthetic is considered too plain or dated by a minority who prefer other Citizen models. The Citizen Eco-Drive One is also noted for lacking a seconds hand and having only splash-resistant water protection.

The Vaer G5 Meridian GMT is a compelling and affordable true GMT watch, featuring the Miyota 9075 movement. Reviewers note its 39mm stainless steel case, which is described as chunky but visually minimized by twisted lugs, and a highly domed sapphire crystal that contributes to reflections. The glossy ceramic bezel also adds to its shiny appearance. On balance, owners and reviewers rate the Vaer G5 Meridian GMT highly for its true GMT functionality and value.