Depancel AutosportvsHemel HFC Mechanical Chronograph
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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.

Autosport

HFC Mechanical Chronograph
Diameter
39mm
40mm
Lug-to-Lug
46mm
lowest
47mm
Thickness
12.6mm
lowest
13.4mm
Water Resistance
50m
100m
highest
Power Reserve
40h
n/a
MSRP
$870
$550
lowest
Movement
Miyota 9122
Seagull ST19 (family)
Case
6 specsCrystal & Dial
2 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The full calendar complication is a distinguishing feature. The choice of movement is a point of contention.
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.
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