Side by side
Helgray Poseidon Diver (Automatic)vsRolex Deepsea Challenge
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Poseidon Diver (Automatic)40mm
Deepsea Challenge50mm
Power Reserve
Poseidon Diver (Automatic)40h
Deepsea Challenge70h
Water Resistance
Poseidon Diver (Automatic)300m
Deepsea Challenge1,000m
MSRP
Poseidon Diver (Automatic)$249
Deepsea Challenge$29,100
Full specifications
Case
7 specsDiameter
40mm
50mm
Thickness
12.8mm
9.5mm
Lug Width
22mm
—
Material
Stainless Steel
RLX Titanium
Finish
Brushed and polished
RLX titanium
Water Resistance
300m
1000m
Caseback
Solid
Monobloc middle case, screw-down case back and winding crown. Rolex Ringlock system case architecture with nitrogen-alloyed steel ring and helium escape valve
Crystal & Dial
3 specsAR Coating
Inner
—
Indices
Applied
Index
Lume
None
Chromalight
Movement
3 specsCaliber
NH35 Warranty
3230
Power Reserve
40h
70h
Jewels
25
31
Pricing
1 specsMSRP
$249
$29,100
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