Side by side
Hemel Sky Racer MechanicalvsTudor Black Bay 58 GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
21 of 29 specs differDiameter
Sky Racer Mechanical43mm
Black Bay 58 GMT39mm
Power Reserve
Sky Racer Mechanical40h
Black Bay 58 GMT65h
Water Resistance
Sky Racer Mechanical50m
Black Bay 58 GMT200m
MSRP
Sky Racer Mechanical$550
Black Bay 58 GMT$5,525
Full specifications
Case
9 specsCategory
Chronograph
GMT
Diameter
43mm
39mm
Thickness
14mm
12.8mm
Lug-to-Lug
49mm
—
Lug Width
20mm
12.8mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Water Resistance
50m
200m
Caseback
Solid
Solid screw-down
Crystal & Dial
3 specsCrystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
—
AR Coating
Inner
—
Movement
8 specsCaliber
Seagull ST19
MT5450-U
Type
Manual
Automatic
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
65h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
GMT
Pricing
1 specsMSRP
$550
$5,525
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