Sternglas Naos XL AutomatikvsOrient 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.

Naos XL Automatik

Bambino Open Heart
Diameter
42mm
40.5mm
Lug-to-Lug
47mm
46mm
lowest
Thickness
12mm
12mm
Water Resistance
50m
highest
30m
Power Reserve
n/a
40h
MSRP
$463
$315
lowest
Movement
Miyota 8215
Orient FT622
Case
6 specsCrystal & Dial
3 specsMovement
6 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Sternglas Naos XL Automatik as an amazing value and a budget-friendly Bauhaus automatic watch that never feels underwhelming. The dial is noted as interesting enough for regular wear, and the watch is considered solid for business casual. One owner finds the 42mm case size can appear too large, resembling a "flying saucer" on a 7.25-inch wrist, and another notes the Miyota movement is just okay. Overall, owners rate the Sternglas Naos XL Automatik highly for its exceptional value and Bauhaus design at its price point.
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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