Citizen Eco-Drive OnevsFerro Distinct 2

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 Ferro Distinct 2 is noted for its well-polished finish and a screw-down crown for improved grip. One owner reports the flat sapphire crystal lacks anti-reflective coating and the dial has no lume. The watch is available with quartz Ronda, Miyota automatic, or ETA automatic movements and features a 100m water-resistant stainless steel case. Overall, owners and reviewers highlight the Ferro Distinct 2's improved finishing and practical screw-down crown as key strengths.