Hemel HFC Mechanical 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.

Hemel HFC Mechanical Chronograph at true scale

HFC Mechanical Chronograph

Maen Skymaster 38 MKIII at true scale

Skymaster 38 MKIII

Diameter

40mm

38mm

Lug-to-Lug

47mm

n/a

Thickness

13.4mm

13.4mm

Water Resistance

100m

100m

MSRP

$550

lowest

$1,679

Movement

Seagull ST19 (family)

Sellita SW510

Case

3 specs
Diameter
40mm
38mm
Lug-to-Lug
47mm
n/a
Lug Width
20mm
n/a

Crystal & Dial

1 specs
Dial Color
Airfoil (1970s British Pilot)
M6.1.1

Movement

2 specs
Caliber
Seagull ST19 (family)
Sellita SW510
Type
Manual
Automatic

Pricing

1 specs
MSRP
$550
$1,679
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Reviews

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

Hemel HFC Mechanical Chronograph

The Hemel HFC Mechanical Chronograph is praised for its 40mm case size, curved sapphire crystal, and lumed ceramic bezel with 12-hour markers. Owners and reviewers highlight its 100m water resistance and the horological significance of its Seagull ST19 manual-winding movement, particularly at its price point, with some appreciating the exhibition caseback. One owner expressed concern regarding the ST19 movement's reliability. Overall, owners and reviewers rate the Hemel HFC Mechanical Chronograph highly for its vintage pilot's watch aesthetic combined with modern utility and value.

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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