Aquastar Airstar ChronographvsMaen Skymaster 38 Mkiii

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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.

Airstar Chronograph

Skymaster 38 Mkiii
Diameter
39mm
38mm
Lug-to-Lug
49mm
n/a
Thickness
14.8mm
13.4mm
lowest
Water Resistance
200m
highest
100m
Power Reserve
55h
n/a
MSRP
$2,590
$1,679
lowest
Movement
Automatic
Sellita SW510
Case
5 specsCrystal & Dial
2 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Aquastar Airstar Chronograph for its attractive design, excellent value, and comfortable wearability, with many appreciating its 39mm case size and domed sapphire crystal. Some reviewers note the watch's thickness, with one owner stating it exceeds 16mm, and others find the 21mm lug width a miss. The consensus is that the Aquastar Airstar Chronograph offers great value, with its design and wearability being the most frequently cited strengths.
The Maen Skymaster 38 MKIII is praised for its refined case, impressive fit and finish, and compact 38mm size, which is considered a positive for a modern mechanical chronograph. Reviewers highlight its clean dial, sharp legibility, and well-executed applied markers, with one noting a brown sunburst dial evoking vintage tropical effects. The winding action is described as sweet, and the watch is powered by a Sellita SW510Mb manual-wind movement. Accuracy figures vary, with one source reporting an average of +7 seconds per day and another stating a tolerance of +/-15 seconds per day, and both note a 63-hour power reserve. Overall, reviewers rate the Maen Skymaster 38 MKIII highly for its vintage-inspired design and premium feel at its price point.
The 38mm case size is a key strength for the Maen Skymaster 38 MKIII. Reviewers noted the excellent quality-price ratio for a Swiss-made chronograph.
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