Citizen Eco-Drive OnevsDefakto Struktur
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Eco-Drive One

Struktur
Diameter
38.6mm
40mm
Lug-to-Lug
n/a
46.8mm
Thickness
3.9mm
lowest
6.6mm
Water Resistance
50m
50m
MSRP
$4,995
n/a
Movement
8826
Ronda 6004.D
Case
3 specsCrystal & Dial
2 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Citizen Eco-Drive One is widely praised for its extreme thinness, with reviewers and owners consistently noting its case thickness around 2.98mm to 3.5mm, and its light weight, making it feel almost imperceptible on the wrist. The watch's "wow factor" and "svelte" design are frequently highlighted, alongside its "Super Titanium" case which is described as harder than stainless steel. Some owners find the aesthetic plain or dated, and the price is a significant barrier for many. The Eco-Drive quartz movement offers approximately 100 days of power reserve on a full charge. Overall, owners and reviewers rate the Citizen Eco-Drive One highly for its groundbreaking thinness and lightweight titanium construction.
Owners praise the Defakto Struktur for its quality materials, craftsmanship, and minimalist design, with some appreciating its novelty and uncommon sub-seconds dial. One owner found the crown's date setting awkward due to internal movement without external display change. Concerns exist regarding the brand's business status, with reports of unanswered emails and a partially broken shopping cart. Overall, owners value the Defakto Struktur for its design and materials, though some question its price for a quartz model.
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