Which is cheaper, the Oblvlo JM Tourbillon or the Helgray Poseidon Diver (Automatic)?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $516 for the Oblvlo JM Tourbillon — a $267 gap before any retailer discounting.

Which is bigger, the Oblvlo JM Tourbillon or the Helgray Poseidon Diver (Automatic)?

The Oblvlo JM Tourbillon wears larger at 42mm versus 40mm for the Helgray Poseidon Diver (Automatic) — a 2mm difference across the dial.

Which has better water resistance, the Oblvlo JM Tourbillon or the Helgray Poseidon Diver (Automatic)?

The Helgray Poseidon Diver (Automatic) is rated to 300m versus 50m for the Oblvlo JM Tourbillon.

Which has a longer power reserve, the Oblvlo JM Tourbillon or the Helgray Poseidon Diver (Automatic)?

The Oblvlo JM Tourbillon carries a 65-hour power reserve against 40 hours on the Helgray Poseidon Diver (Automatic).

What movement does the Oblvlo JM Tourbillon run compared to the Helgray Poseidon Diver (Automatic)?

Both watches run automatic movements — the Oblvlo JM Tourbillon uses the OBL.8024 and the Helgray Poseidon Diver (Automatic) uses the NH35 Warranty.

Side by side

Oblvlo JM TourbillonvsHelgray Poseidon Diver (Automatic)

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

Oblvlo JM Tourbillon

JM-TB

MSRP $516

Helgray Poseidon Diver (Automatic)

poseidon-diver-automatic

MSRP $249

At a glance

9 of 29 specs differ

Diameter

JM Tourbillon42mm

Poseidon Diver (Automatic)40mm

Power Reserve

JM Tourbillon65h

Poseidon Diver (Automatic)40h

Water Resistance

JM Tourbillon50m

Poseidon Diver (Automatic)300m

MSRP

JM Tourbillon$516

Poseidon Diver (Automatic)$249

Full specifications

Case

3 specs

Crystal & Dial

1 specs

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

OBL.8024

NH35 Warranty

Power Reserve

65h

40h

Jewels

Complications

Tourbillon

None

Pricing

1 specs

MSRP

$516

$249

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