Side by side
Helgray Poseidon Diver (Automatic)vsRolex Sea-Dweller
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
Sea-Dweller43mm
Power Reserve
Poseidon Diver (Automatic)40h
Sea-Dweller70h
Water Resistance
Poseidon Diver (Automatic)300m
Sea-Dweller1,220m
MSRP
Poseidon Diver (Automatic)$249
Sea-Dweller$22,450
Full specifications
Case
8 specsDiameter
40mm
43mm
Thickness
12.8mm
—
Lug-to-Lug
46mm
—
Lug Width
22mm
—
Material
Stainless Steel
Yellow Rolesor
Finish
Brushed and polished
—
Water Resistance
300m
1220m
Caseback
Solid
Monobloc middle case, screw-down case back and winding crown
Crystal & Dial
3 specsAR Coating
Inner
—
Indices
Applied
Index
Lume
None
Chromalight
Movement
4 specsCaliber
NH35 Warranty
3235
Power Reserve
40h
70h
Jewels
25
31
Complications
None
Date
Pricing
1 specsMSRP
$249
$22,450
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