Which is cheaper, the Duxot Tortuga or the Helgray Poseidon Diver (Automatic)?

At MSRP the Duxot Tortuga is the cheaper of the two at $169, against $249 for the Helgray Poseidon Diver (Automatic) — a $80 gap before any retailer discounting.

Which is bigger, the Duxot Tortuga or the Helgray Poseidon Diver (Automatic)?

The Duxot Tortuga wears larger at 45mm versus 40mm for the Helgray Poseidon Diver (Automatic) — a 5mm difference across the dial.

Which has better water resistance, the Duxot Tortuga or the Helgray Poseidon Diver (Automatic)?

The Helgray Poseidon Diver (Automatic) is rated to 300m versus 200m for the Duxot Tortuga.

Which has a longer power reserve, the Duxot Tortuga or the Helgray Poseidon Diver (Automatic)?

The Duxot Tortuga carries a 42-hour power reserve against 40 hours on the Helgray Poseidon Diver (Automatic).

Side by side

Duxot TortugavsHelgray Poseidon Diver (Automatic)

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Add a watch

Duxot Tortuga

DX-2026-11

MSRP $169

Helgray Poseidon Diver (Automatic)

poseidon-diver-automatic

MSRP $249

At a glance

14 of 29 specs differ

Diameter

Tortuga45mm

Poseidon Diver (Automatic)40mm

Power Reserve

Tortuga42h

Poseidon Diver (Automatic)40h

Water Resistance

Tortuga200m

Poseidon Diver (Automatic)300m

MSRP

Tortuga$169

Poseidon Diver (Automatic)$249

Full specifications

Case

6 specs

Diameter

45mm

40mm

Thickness

14mm

12.8mm

Lug-to-Lug

52mm

46mm

Finish

Stainless Steel

Brushed and polished

Water Resistance

200m

300m

Caseback

—

Solid

Crystal & Dial

3 specs

Crystal Shape

—

Flat

AR Coating

—

Inner

Indices

—

Applied

Movement

4 specs

Caliber

—

NH35 Warranty

Beat Rate

0 vph

28,800 vph

Power Reserve

42h

40h

Jewels

Pricing

1 specs

MSRP

$169

$249

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Fortismicro

Follow this matchup

Get a note when Duxot Tortuga vs Helgray Poseidon Diver (Automatic) gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Fortis Marinemaster M-44 DLCvsHelgray Poseidon Diver (Automatic)Helgray Poseidon Diver (Automatic)vsSpinnaker Wreck Automatic Fortis Marinemaster M-44vsHelgray Poseidon Diver (Automatic)Marathon OSAR-D (Original SAR with Date) Automatic 46mmvsHelgray Poseidon Diver (Automatic)Christopher Ward C60 LympstonevsDuxot Tortuga Duxot TortugavsVaer D5 Tropic Auto

Edit this comparison Add another watch More diver comparisons Best Diver Watches Under $500 Explore more 39–46mm watches

Duxot TortugavsHelgray Poseidon Diver (Automatic)

At a glance

Full specifications

More watches worth a look

Marinemaster M-44 DLC

C60 Lympstone

Wreck Automatic

D5 Tropic Auto

Supermarine 300M

OSAR-D (Original SAR with Date) Automatic 46mm

Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302

Dumas Automatic

Follow this matchup

People also compared