Side by side
Hemel HFC Mechanical ChronographvsSinn U18
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
18 of 29 specs differDiameter
HFC Mechanical Chronograph40mm
U1844mm
Power Reserve
HFC Mechanical Chronograph40h
U1842h
Water Resistance
HFC Mechanical Chronograph100m
U182,000m
MSRP
HFC Mechanical Chronograph$550
U18$3,488
Full specifications
Case
9 specsCategory
Chronograph
Diver
Diameter
40mm
44mm
Thickness
13.4mm
15.5mm
Lug-to-Lug
47mm
—
Lug Width
20mm
22mm
Material
316L Stainless Steel
high-strength
Finish
Brushed and polished
—
Water Resistance
100m
2000m
Caseback
Solid
—
Crystal & Dial
5 specsCrystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
Airfoil (1970s British Pilot)
Black
Indices
Applied
—
Movement
3 specsCaliber
Seagull ST19
SW300-1
Type
Manual
Automatic
Power Reserve
40h
42h
Pricing
1 specsMSRP
$550
$3,488
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