Side by side
Hemel HFC Mechanical ChronographvsGrand Seiko STGK031
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
HFC Mechanical Chronograph40mm
STGK03130mm
Power Reserve
HFC Mechanical Chronograph40h
STGK03150h
Water Resistance
HFC Mechanical Chronograph100m
STGK031100m
MSRP
HFC Mechanical Chronograph$550
STGK031$6,600
Full specifications
Case
6 specsCategory
Chronograph
Dress
Diameter
40mm
30mm
Thickness
13.4mm
10.5mm
Lug-to-Lug
47mm
36.2mm
Lug Width
20mm
15mm
Material
316L Stainless Steel
Stainless Steel
Crystal & Dial
3 specsCrystal
Domed Sapphire
Sapphire
AR Coating
Inner
Yes
Dial Color
Airfoil (1970s British Pilot)
Black
Movement
3 specsCaliber
Seagull ST19
9S27
Type
Manual
Automatic
Power Reserve
40h
50h
Pricing
1 specsMSRP
$550
$6,600
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