Side by side
Hemel HD24 AutomaticvsTudor Black Bay 54
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
18 of 29 specs differDiameter
HD24 Automatic40mm
Black Bay 5437mm
Power Reserve
HD24 Automatic40h
Black Bay 5470h
Water Resistance
HD24 Automatic200m
Black Bay 54200m
MSRP
HD24 Automatic$300
Black Bay 54$4,725
Full specifications
Case
6 specsDiameter
40mm
37mm
Thickness
13mm
11.2mm
Lug-to-Lug
48mm
46mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Caseback
Solid
Solid screw-down
Crystal & Dial
5 specsCrystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
Gallant USAF Edition
Blue
Lume
None
Super-LumiNova
Movement
6 specsCaliber
Seiko NH38A
MT5400
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Pricing
1 specsMSRP
$300
$4,725
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