Citizen Eco-Drive OnevsPraesidus DD-45 Hangar Midnight

The Citizen Eco-Drive One is widely celebrated for its groundbreaking thinness, with multiple sources confirming a case thickness of 2.98mm, making it the world's thinnest light-powered watch. Owners and reviewers alike praise its "wow factor," describing it as "svelte" and "beautiful" with a titanium case and bracelet that feels exceptionally light on the wrist. The Eco-Drive quartz movement offers a power reserve of up to 100 days, and its miniaturization is considered impressive. However, the price is noted as a significant barrier for some, and one owner finds its aesthetic too plain or dated. Servicing is restricted to authorized centers due to proprietary construction. Overall, owners and reviewers rate the Citizen Eco-Drive One highly for its extreme thinness and lightweight titanium construction.

The Praesidus DD-45 Hangar Midnight is lauded for its unique, two-year-developed "Patina" dial, designed to authentically mimic aging on indices and hands, with reviewers highlighting its 38mm stainless steel case as ideal for wearability and its vintage aesthetic. Reviewers note solid finishing and a well-made leather strap, alongside a robust 100-meter water resistance. However, the "A-11" caseback engraving is seen by some as a departure from strict authenticity, and the lume is less bright than anticipated due to the aging treatment. The Swiss Landeron L24 movement's hand-winding action is described as jerky. On balance, reviewers find the Praesidus DD-45 Hangar Midnight a compelling vintage-inspired watch, primarily due to its unique dial development and wearable case size.