Side by side
Helgray Poseidon Diver (Automatic)vsTudor Black Bay Ceramic
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Poseidon Diver (Automatic)40mm
Black Bay Ceramic41mm
Power Reserve
Poseidon Diver (Automatic)40h
Black Bay Ceramic70h
Water Resistance
Poseidon Diver (Automatic)300m
Black Bay Ceramic200m
MSRP
Poseidon Diver (Automatic)$249
Black Bay Ceramic$6,125
Full specifications
Case
6 specsDiameter
40mm
41mm
Thickness
12mm
14.4mm
Lug Width
20mm
22mm
Material
Stainless Steel
Ceramic
Water Resistance
300m
200m
Caseback
Solid
Engraved
Movement
2 specsCaliber
NH35 Warranty
MT5602-1U
Power Reserve
40h
70h
Pricing
1 specsMSRP
$249
$6,125
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