Hamilton American Classic Intra-Matic Auto ChronovsMaen 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.

Hamilton American Classic Intra-Matic Auto Chrono at true scale

American Classic Intra-Matic Auto Chrono

Maen Skymaster 38 Mkiii at true scale

Skymaster 38 Mkiii

Diameter

40mm

38mm

Thickness

14.4mm

13.4mm

lowest

Water Resistance

100m

100m

Power Reserve

60h

n/a

MSRP

$2,645

$1,679

lowest

Movement

Hamilton H-31

Sellita SW510

Case

5 specs
Diameter
40mm
38mm
Thickness
14.45mm
13.4mm
Lug-to-Lug
n/a
n/a
Lug Width
20mm
n/a
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
White
M6.1.1

Movement

2 specs
Caliber
Hamilton H-31
Sellita SW510
Power Reserve
60h
0h

Pricing

1 specs
MSRP
$2,645
$1,679
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Hamilton American Classic Intra-Matic Auto Chrono

Owners widely praise the Hamilton American Classic Intra-Matic Auto Chrono for its attractive panda dial, retro design, and value, with many noting its historical significance and ability to garner compliments. Reviewers and owners alike highlight its clean, athletic aesthetic and vintage charm, with some finding it wears well and fits comfortably under dress shirts, even on smaller wrists. However, multiple sources flag its substantial thickness, ranging from 14.35mm to 14.7mm, and one owner noted the H-31 movement's rotor felt unusually spinny and the date-set button recessed. Accuracy figures vary, with one owner reporting +8 seconds per day and another +3 seconds per day. The included leather strap is frequently described as showing creasing easily or being merely utilitarian, leading some owners to explore aftermarket bracelet options.

From video reviewers

The panda dial's contrasting subdials are a notable strength. The bracelet clasp is considered less refined than the rest of the watch.

Maen Skymaster 38 Mkiii

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.

From video reviewers

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.