Side by side
Hemel HFC Mechanical ChronographvsJack Mason Ellum Manual Wind
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
HFC Mechanical Chronograph40mm
Ellum Manual Wind38mm
Power Reserve
HFC Mechanical Chronograph40h
Ellum Manual Wind42h
Water Resistance
HFC Mechanical Chronograph100m
Ellum Manual Wind50m
MSRP
HFC Mechanical Chronograph$550
Ellum Manual Wind$799
Full specifications
Case
6 specsCategory
Chronograph
—
Diameter
40mm
38mm
Thickness
13.4mm
9mm
Lug-to-Lug
47mm
45mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
50m
Crystal & Dial
2 specsCrystal
Domed Sapphire
Sapphire
Dial Color
Airfoil (1970s British Pilot)
—
Movement
2 specsCaliber
Seagull ST19
Sellita SW210
Power Reserve
40h
42h
Pricing
1 specsMSRP
$550
$799
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