Hamilton Jazzmaster Performer 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 Jazzmaster Performer Auto chrono at true scale

Jazzmaster Performer Auto chrono

Maen Skymaster 38 MKIII at true scale

Skymaster 38 MKIII

Diameter

42mm

38mm

Lug-to-Lug

50mm

n/a

Thickness

15.2mm

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
42mm
38mm
Thickness
15.22mm
13.4mm
Lug-to-Lug
50mm
n/a
Lug Width
22mm
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 Jazzmaster Performer Auto chrono

Owners widely praise the Hamilton Jazzmaster Performer Auto chrono for its sporty design and value, with one owner calling it a great first "grown-up watch." Reviewers note its 42mm case and 60-hour power reserve from the H-31 movement, with a thickness of 15.22mm considered wearable due to balanced construction. The watch is seen as a good entry-level Swiss option with desirable features and a reputable brand name. Some owners report an 80-hour power reserve. The strap is described as stiff out of the box and on the shorter side. Opinions are split on design originality, with some finding it too similar to other chronographs, while others consider it a stealthily beautiful "sleeper model." One owner questioned the bezel's functionality and another felt it might be small and pricey for its specifications. On balance, owners and reviewers rate the Hamilton Jazzmaster Performer Auto chrono highly for its sporty aesthetic and value proposition.

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.

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