Side by side
Helgray Poseidon Diver (Automatic)vsTudor Black Bay 54
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
Poseidon Diver (Automatic)40mm
Black Bay 5437mm
Power Reserve
Poseidon Diver (Automatic)40h
Black Bay 5470h
Water Resistance
Poseidon Diver (Automatic)300m
Black Bay 54200m
MSRP
Poseidon Diver (Automatic)$249
Black Bay 54$4,725
Full specifications
Case
5 specsDiameter
40mm
37mm
Thickness
12mm
11.2mm
Finish
Brushed and polished
Polished + Satin
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down
Crystal & Dial
4 specsCrystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
Black
Blue
Lume
None
Super-LumiNova
Movement
6 specsCaliber
NH35 Warranty
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
$249
$4,725
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