Citizen Eco-Drive OnevsDan Henry 1964

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.

Owners widely praise the Dan Henry 1964's 38mm case size as ideal for smaller wrists and its vintage panda execution as the best in its affordable price bracket, with build quality and finishing exceeding its $250 price point. Legibility is generally good, and the watch is considered excellent value. However, some owners report quality control issues like dust on the dial and crystal underside, sharp case edges, and subpar stock straps. The 19mm lug width limits strap options, and while the mineral crystal is durable for some, it is a concern for others. Subdial functions on the chronograph could be improved, and the date on the date version is hard to read. On balance, owners rate the Dan Henry 1964 highly for its vintage panda execution and value at the $250 price point.