Citizen Eco-Drive OnevsKnot Watches CS-36ABK

The Citizen Eco-Drive One is widely praised for its status as the world's thinnest light-powered watch, with sources consistently citing its remarkable 2.98mm case thickness and 1mm movement. Owners and reviewers highlight its "wow factor," good build quality, and light weight due to titanium construction, with finishing compared favorably to higher-end models. The watch features a synthetic sapphire dial and a cermet bezel for protection. Some users note the absence of a seconds hand and basic functionality due to the miniaturized movement. While one source mentions a 100-day power reserve, another states it can run for 12 months on a full charge. The price is noted as $3,500 to $5,000, considered reasonable by some for the technology. However, its high price and splash-resistant water rating are seen as drawbacks by some, and a few find its aesthetic too plain, preferring other Citizen models.

Owners widely appreciate the Knot Watches CS-36ABK for its Japan-made construction, sapphire crystal, and the ease of wear from its light weight and soft leather strap, with many also valuing the customization options. However, some find the lugs to be a bit thick, a design choice attributed to the interchangeable strap system, and one owner reported issues with misaligned hands. A few users also criticized the quality of the strap and clasp, with one noting the strap width prevented the use of standard replacements. Overall, owners rate the Knot Watches CS-36ABK positively for its wearability and customization, despite some reservations about case proportions and strap quality.