Which is cheaper, the Oblvlo FM SL Day-Date Square or the Tudor Black Bay One 31 S&G?

At MSRP the Oblvlo FM SL Day-Date Square is the cheaper of the two at $158, against $6,850 for the Tudor Black Bay One 31 S&G — a $6,692 gap before any retailer discounting.

Which is bigger, the Oblvlo FM SL Day-Date Square or the Tudor Black Bay One 31 S&G?

The Oblvlo FM SL Day-Date Square wears larger at 39mm versus 31mm for the Tudor Black Bay One 31 S&G — a 8mm difference across the dial.

Which has better water resistance, the Oblvlo FM SL Day-Date Square or the Tudor Black Bay One 31 S&G?

The Tudor Black Bay One 31 S&G is rated to 100m 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 Tudor Black Bay One 31 S&G?

The Tudor Black Bay One 31 S&G carries a 50-hour power reserve against 42 hours on the Oblvlo FM SL Day-Date Square.

What movement does the Oblvlo FM SL Day-Date Square run compared to the Tudor Black Bay One 31 S&G?

Both watches run automatic movements — the Oblvlo FM SL Day-Date Square uses the Miyota 8215 and the Tudor Black Bay One 31 S&G uses the MT5201.

Side by side

Oblvlo FM SL Day-Date SquarevsTudor Black Bay One 31 S&G

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

Tudor Black Bay One 31 S&G

m79603-0001

MSRP $6,850

At a glance

11 of 29 specs differ

Diameter

FM SL Day-Date Square39mm

Black Bay One 31 S&G31mm

Power Reserve

FM SL Day-Date Square42h

Black Bay One 31 S&G50h

Water Resistance

FM SL Day-Date Square50m

Black Bay One 31 S&G100m

MSRP

FM SL Day-Date Square$158

Black Bay One 31 S&G$6,850

Full specifications

Case

7 specs

Movement

3 specs

Caliber

Miyota 8215

MT5201

Power Reserve

42h

50h

Jewels

Pricing

1 specs

MSRP

$158

$6,850

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