Citizen Eco-Drive OnevsDEDEGUMO 月光
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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

月光
Diameter
36.6mm
36mm
MSRP
$2,395
$221
lowest
Movement
Citizen 8845
Quartz
Case
3 specsCrystal & Dial
3 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 exceptionally thin 2.98mm case, a design that makes it feel almost non-existent on the wrist and celebrates Japanese aesthetics with a focus on material details. Owners appreciate the convenience and low maintenance of its solar-powered Eco-Drive technology, with many noting decades of reliable use without battery changes and perpetual accuracy. Some find the Citizen Eco-Drive One's design and price questionable, preferring other Citizen lines, while others consider it an underrated dress watch. On balance, owners and reviewers rate the Citizen Eco-Drive One highly for its groundbreaking thinness and the reliable, low-maintenance convenience of its solar technology.
DEDEGUMO 月光 手作り腕時計/クオーツ時計/サン&ムーン is praised for its rugged, steampunk aesthetic and handmade craftsmanship, with owners finding the design and kanji dial appealing. One owner reports accuracy of -7 seconds per day, within the stated ±30 seconds per day tolerance. However, owners note the automatic movement does not hand-wind and is non-hacking. The 36mm case size is noted, but one owner found the lugs ill-fitting on a smaller wrist. Prices vary, with one purchase at $300 and another at around $90. Overall, owners value the DEDEGUMO 月光 手作り腕時計/クオーツ時計/サン&ムーン for its unique aesthetic and handmade feel, despite some functional limitations of the movement.
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