Side by side

Hemel HFC Mechanical ChronographvsTimefactors Aerotimer

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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HFC Mechanical Chronograph
HemelHFC Mechanical Chronograph
MSRP $550
Aerotimer
TimefactorsAerotimer
MSRP $416
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Buy from Timefactors ↗
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At a glance

12 of 29 specs differ
Diameter
HFC Mechanical Chronograph40mm
Aerotimer42mm
Power Reserve
HFC Mechanical Chronograph40h
Aerotimer—
Water Resistance
HFC Mechanical Chronograph100m
Aerotimer100m
MSRP
HFC Mechanical Chronograph$550
Aerotimer$416

Full specifications

Case

5 specs
Category
Chronograph
—
Diameter
40mm
42mm
Thickness
13.4mm
13mm
Lug-to-Lug
47mm
50mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

3 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Airfoil (1970s British Pilot)
Black
Lume
None
SuperLuminova C3

Movement

3 specs
Caliber
Sea-Gull ST19
Seiko VK64 (Meca-Quartz)
Type
Manual
Mecaquartz
Power Reserve
40h
—

Pricing

1 specs
MSRP
$550
$416
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