Citizen Eco-Drive OnevsVario Empire Tachymètre Chronograph

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 Vario Empire Tachymètre Chronograph is praised for its elegant, art deco-inspired multi-layered dial and comfortable leather strap. Owners note its 38mm diameter, 46mm lug-to-lug, and 11.5mm thickness, along with a sapphire crystal and 5 ATM water resistance. Criticisms include the use of different fonts for sub-dial and perimeter markers, and the absence of a traditional running second hand. Overall, owners appreciate the Vario Empire Tachymètre Chronograph for its distinctive dial design and comfortable wearability.