Sternglas BerlinvsCitizen Eco-Drive One

The Sternglas Berlin is praised for its stylish Art Deco-inspired design and slim 38mm case, offering good value at $270 for newcomers to watches. One reviewer notes the Miyota GM02 quartz movement is accurate to ±20 seconds per month, but flags the included leather strap as squeaky and suggests an alternative. Overall, owners find the Sternglas Berlin a satisfying purchase for its aesthetic and price point.

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.