Brillier Mono Mechanical Blue Dial Automatic with Moon Phase and Big DatevsCitizen Classic Eco-Drive Day/Date

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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.

Mono Mechanical Blue Dial Automatic with Moon Phase and Big Date

Classic Eco-Drive Day/Date
Diameter
43mm
42mm
Thickness
14mm
n/a
Water Resistance
n/a
100m
MSRP
$795
$325
lowest
Movement
Automatic
Citizen J800
Case
5 specsCrystal & Dial
4 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners praise the Brillier Mono Mechanical Blue Dial Automatic Watch with Moon Phase and Big Date for its clean, symmetrical blue dial with legible indices and a navy blue pointer date. One owner found it a good value for a Swiss-made automatic moonphase around $600 on the gray market. However, one owner reported the metal bracelet and included leather strap felt cheap and of poor quality, noting the absence of adjustment tools and a manual. On balance, owners rate the Brillier Mono Mechanical Blue Dial Automatic Watch with Moon Phase and Big Date highly for its attractive dial and value proposition as a Swiss-made automatic moonphase.
Owners widely praise the Citizen Classic Eco-Drive Day/Date for its reliability, accuracy, and ease of use, with many highlighting the solar-powered Eco-Drive technology as a significant benefit freeing them from battery changes or winding. Its legibility and durable construction are frequently cited as strengths, making it a favored daily or work watch. One owner notes that the day wheel requires precise setting according to the manual to avoid reading a day off. On balance, owners rate the Citizen Classic Eco-Drive Day/Date highly for its hassle-free operation and dependable performance.
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