Side by side
Hemel HFC Mechanical ChronographvsTudor Black Bay GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
23 of 29 specs differDiameter
HFC Mechanical Chronograph40mm
Black Bay GMT41mm
Power Reserve
HFC Mechanical Chronograph40h
Black Bay GMT70h
Water Resistance
HFC Mechanical Chronograph100m
Black Bay GMT200m
MSRP
HFC Mechanical Chronograph$550
Black Bay GMT$5,275
Full specifications
Case
9 specsCategory
Chronograph
GMT
Diameter
40mm
41mm
Thickness
13.4mm
14.6mm
Lug-to-Lug
47mm
46mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Water Resistance
100m
200m
Caseback
Solid
Solid screw-down
Crystal & Dial
5 specsCrystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
Airfoil (1970s British Pilot)
Black
Indices
Applied
—
Movement
8 specsCaliber
Seagull ST19
MT5652
Type
Manual
Automatic
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
GMT
Pricing
1 specsMSRP
$550
$5,275
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