Side by side
Hemel HFC Mechanical ChronographvsSeiko Astron
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
HFC Mechanical Chronograph40mm
Astron44.1mm
Power Reserve
HFC Mechanical Chronograph40h
Astron40h
Water Resistance
HFC Mechanical Chronograph100m
Astron100m
MSRP
HFC Mechanical Chronograph$550
Astron$3,100
Full specifications
Case
5 specsDiameter
40mm
44.1mm
Thickness
13.4mm
14.4mm
Lug-to-Lug
47mm
50mm
Lug Width
20mm
14mm
Material
316L Stainless Steel
Titanium
Crystal & Dial
5 specsCrystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
Curved
AR Coating
Inner
Super-clear coating
Dial Color
Airfoil (1970s British Pilot)
Black
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
Seagull ST19
5X83
Type
Manual
Quartz
Jewels
25
14
Pricing
1 specsMSRP
$550
$3,100
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