Side by side
Hemel Sky Racer MechanicalvsTudor Black Bay One 31 S&G
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Sky Racer Mechanical43mm
Black Bay One 31 S&G31mm
Power Reserve
Sky Racer Mechanical40h
Black Bay One 31 S&G50h
Water Resistance
Sky Racer Mechanical50m
Black Bay One 31 S&G100m
MSRP
Sky Racer Mechanical$550
Black Bay One 31 S&G$6,850
Full specifications
Case
9 specsCategory
Chronograph
—
Diameter
43mm
31mm
Thickness
14mm
9.5mm
Lug-to-Lug
49mm
46mm
Lug Width
20mm
17mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Water Resistance
50m
100m
Caseback
Solid
Solid screw-down
Crystal & Dial
1 specsCrystal
Domed Sapphire
Sapphire
Movement
3 specsCaliber
Seagull ST19
MT5201
Type
Manual
Automatic
Power Reserve
40h
50h
Pricing
1 specsMSRP
$550
$6,850
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