Citizen Eco-Drive OnevsCitizen Eco-Drive One

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 Citizen Caliber A060 is widely praised for its exceptional accuracy, with most owners reporting it runs within or very close to the advertised ±5 seconds per year, though some note slight deviations. Reviewers and owners highlight the scratch-resistant, gold-hued titanium case and the unique washi paper dial with gold leaf as standout aesthetic features, contributing to its wearability and perceived value. The Eco-Drive movement's perpetual calendar and long power reserve are also frequently cited strengths, with a decorated 23-jewel caliber noted as a surprise for a quartz movement. One owner experienced issues requiring repair in Japan after the watch was not kept charged, and some owners express concern about the rechargeable battery as a potential failure point. Overall, owners and reviewers rate The Citizen Caliber A060 highly for its blend of high-end finishing, impressive accuracy, and innovative solar technology.