Side by side
Aera Instruments C-1vsHemel HFC Mechanical Chronograph
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
C-142mm
HFC Mechanical Chronograph40mm
Power Reserve
C-156h
HFC Mechanical Chronograph40h
Water Resistance
C-1100m
HFC Mechanical Chronograph100m
MSRP
C-1$2,200
HFC Mechanical Chronograph$550
Full specifications
Case
6 specsCategory
—
Chronograph
Diameter
42mm
40mm
Thickness
15.75mm
13.4mm
Lug-to-Lug
49.55mm
47mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Crystal & Dial
2 specsCrystal
Sapphire
Domed Sapphire
Dial Color
Cloud
Airfoil (1970s British Pilot)
Movement
4 specsCaliber
SW510 BH B
Seagull ST19
Type
Automatic
Manual
Power Reserve
56h
40h
Jewels
27
25
Pricing
1 specsMSRP
$2,200
$550
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