Brillier Mono Mechanical Blue Dial Automatic with Moon Phase and Big DatevsOrient Bambino Open Heart
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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

Bambino Open Heart
Diameter
43mm
40.5mm
Lug-to-Lug
n/a
46mm
Thickness
14mm
12mm
lowest
Water Resistance
n/a
30m
Power Reserve
n/a
40h
MSRP
$795
$315
lowest
Movement
Automatic
Orient FT622
Case
6 specsCrystal & Dial
2 specsMovement
6 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 report the Orient Bambino Open Heart offers good value, with some appreciating its dressy style and sunburst dial. One owner notes the movement can be noisy and the stock strap feels less premium. The 40.5mm case size is generally considered wearable, though lug width can complicate strap changes. Overall, owners find the Orient Bambino Open Heart to be a good value proposition for its price point, particularly for its aesthetic appeal.
The open-heart dial revealing the balance wheel is a standout feature, typically seen on higher-priced watches. No shared weaknesses were identified.
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