ALATO Arvet Automatic 100m 38mmvsOrient Helios
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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.

Arvet Automatic 100m 38mm

Helios
Diameter
38mm
40.5mm
Lug-to-Lug
n/a
47mm
Thickness
10.9mm
lowest
12mm
Water Resistance
100m
highest
30m
Power Reserve
42h
highest
40h
MSRP
$694
$335
lowest
Movement
Miyota 9039
Orient FT622
Case
7 specsCrystal & Dial
2 specsMovement
6 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the ALATO Arvet Automatic 100m 38mm for its versatile 38mm sizing, making it suitable for everyday and business-casual wear. The watch is noted for its distinctive Reuleaux triangle-inspired geometry and premium features like a screw-down crown and 100m water resistance. A custom rotor with lumen edges is also a highlighted detail. Overall, owners rate the ALATO Arvet Automatic 100m 38mm highly for its distinctive design and practical features at its price point.
Owners widely praise the Orient Helios for its attractive design, particularly its mesmerizing open-heart dial and vibrant gradient options, which are considered well-integrated and a signature element. Reviewers and owners alike highlight its excellent value, with many feeling it exceeds its price point and offers great quality and finishing. The 40.5mm case is noted to wear smaller than expected and comfortably, with some owners appreciating its thin profile. Accuracy is reported to be around 5-6 seconds fast per day. Some owners wish for a date window for added practicality, while others prefer its absence for aesthetic balance. The stock bracelet fit is a point of contention for some, with suggestions to upgrade to a strap. The Orient Helios is considered a stylish and affordable automatic watch, particularly for those new to mechanical timepieces. Overall, owners rate the Orient Helios highly for its captivating open-heart dial and impressive value at its price point.
The Orient Helios features an appealing open-heart dial with a gradient effect. Reviewers found the 38mm case size to be a compelling option for smaller wrists.
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