Which is cheaper, the Oblvlo FM SL Day-Date Square or the Helgray Poseidon Diver (Automatic)?

At MSRP the Oblvlo FM SL Day-Date Square is the cheaper of the two at $158, against $249 for the Helgray Poseidon Diver (Automatic) — a $91 gap before any retailer discounting.

Which is bigger, the Oblvlo FM SL Day-Date Square or the Helgray Poseidon Diver (Automatic)?

The Helgray Poseidon Diver (Automatic) wears larger at 40mm versus 39mm for the Oblvlo FM SL Day-Date Square — a 1mm difference across the dial.

Which has better water resistance, the Oblvlo FM SL Day-Date Square or the Helgray Poseidon Diver (Automatic)?

The Helgray Poseidon Diver (Automatic) is rated to 300m versus 50m for the Oblvlo FM SL Day-Date Square.

Which has a longer power reserve, the Oblvlo FM SL Day-Date Square or the Helgray Poseidon Diver (Automatic)?

The Oblvlo FM SL Day-Date Square carries a 42-hour power reserve against 40 hours on the Helgray Poseidon Diver (Automatic).

What movement does the Oblvlo FM SL Day-Date Square run compared to the Helgray Poseidon Diver (Automatic)?

Both watches run automatic movements — the Oblvlo FM SL Day-Date Square uses the Miyota 8215 and the Helgray Poseidon Diver (Automatic) uses the NH35 Warranty.

Side by side

Oblvlo FM SL Day-Date SquarevsHelgray Poseidon Diver (Automatic)

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

Oblvlo FM SL Day-Date Square

FM-SL-DD-D

MSRP $158

Helgray Poseidon Diver (Automatic)

poseidon-diver-automatic

MSRP $249

At a glance

9 of 29 specs differ

Diameter

FM SL Day-Date Square39mm

Poseidon Diver (Automatic)40mm

Power Reserve

FM SL Day-Date Square42h

Poseidon Diver (Automatic)40h

Water Resistance

FM SL Day-Date Square50m

Poseidon Diver (Automatic)300m

MSRP

FM SL Day-Date Square$158

Poseidon Diver (Automatic)$249

Full specifications

Case

5 specs

Movement

3 specs

Caliber

Miyota 8215

NH35 Warranty

Power Reserve

42h

40h

Jewels

Pricing

1 specs

MSRP

$158

$249

Follow this matchup

Get a note when Oblvlo FM SL Day-Date Square vs Helgray Poseidon Diver (Automatic) gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring