Side by side
Helgray Poseidon Diver (Automatic)vsTudor Black Bay 58
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
Black Bay 5839mm
Power Reserve
Poseidon Diver (Automatic)40h
Black Bay 5865h
Water Resistance
Poseidon Diver (Automatic)300m
Black Bay 58200m
MSRP
Poseidon Diver (Automatic)$249
Black Bay 58$5,350
Full specifications
Case
5 specsDiameter
40mm
39mm
Thickness
12mm
11.7mm
Finish
Brushed and polished
Polished + Satin
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down
Crystal & Dial
2 specsCrystal Shape
Flat
—
AR Coating
Inner
—
Movement
6 specsCaliber
NH35 Warranty
MT5400-U
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
65h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Pricing
1 specsMSRP
$249
$5,350
Follow this matchup
Get a note when Helgray Poseidon Diver (Automatic) vs Tudor Black Bay 58 gets more votes, a community discussion, or a price drop. No account needed.
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Galo Super200 Dark EditionvsTudor Black Bay 58Tudor Black Bay 58vsVaer D5 Tropic AutoBremont Supermarine 300MvsTudor Black Bay 58Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302vsTudor Black Bay 58Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302vsHelgray Poseidon Diver (Automatic)Helgray Poseidon Diver (Automatic)vsGalo Super200 Dark Edition