Hemel HFC Mechanical ChronographvsYema Rallygraf Meca-Quartz II

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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

Yema Rallygraf Meca-Quartz II at true scale

Rallygraf Meca-Quartz II

Diameter

40mm

40mm

Lug-to-Lug

47mm

n/a

Thickness

13.4mm

11mm

lowest

Water Resistance

100m

highest

50m

MSRP

$550

$450

lowest

Movement

Seagull ST19 (family)

Quartz

Case

3 specs
Thickness
13.4mm
11mm
Lug-to-Lug
47mm
n/a
Water Resistance
100m
50m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Airfoil (1970s British Pilot)
Panda

Movement

2 specs
Caliber
Seagull ST19 (family)
n/a
Type
Manual
Quartz

Pricing

1 specs
MSRP
$550
$450
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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.

Yema Rallygraf Meca-Quartz II

Owners widely praise the Yema Rallygraf Meca-Quartz II for its cool retro 70s vibe and car dashboard styling, with its faithful reissue of a small, thin vintage design and tactile pushers noted as strengths, especially considering its price point. The Milanese strap is described as top-notch, and the watch has a substantial, weighty feel that wears smaller than expected, with well-aligned indices and no play in the movement when setting the time. However, some find the meca-quartz ticking not very smooth, the left subdial a "useless" 24h indicator, and the watch overpriced compared to similar models. Owners are split on Yema's quality control, with some reporting no issues and others experiencing or hearing about crooked indices, dial rotation when pushers are depressed or time is set, and a fixed strap loop that limits adjustment. Yema's customer service and communication regarding shipping and strap availability are also criticized by some owners.

From video reviewers

The watch's vintage-inspired design and value at its price point are consistently praised. The meca-quartz movement is mentioned as a feature by multiple reviewers.

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