Which is cheaper, the Praesidus 42mm Automatic or the Tudor Black Bay One 31 S&G?

At MSRP the Praesidus 42mm Automatic is the cheaper of the two at $680, against $6,850 for the Tudor Black Bay One 31 S&G — a $6,170 gap before any retailer discounting.

Which is bigger, the Praesidus 42mm Automatic or the Tudor Black Bay One 31 S&G?

The Praesidus 42mm Automatic wears larger at 38mm versus 31mm for the Tudor Black Bay One 31 S&G — a 7mm difference across the dial.

Which has a longer power reserve, the Praesidus 42mm Automatic or the Tudor Black Bay One 31 S&G?

The Tudor Black Bay One 31 S&G carries a 50-hour power reserve against 40 hours on the Praesidus 42mm Automatic.

What movement does the Praesidus 42mm Automatic run compared to the Tudor Black Bay One 31 S&G?

Both watches run automatic movements — the Praesidus 42mm Automatic uses the Seiko NH35 and the Tudor Black Bay One 31 S&G uses the MT5201.

Side by side

Praesidus 42mm AutomaticvsTudor Black Bay One 31 S&G

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

Praesidus 42mm Automatic

P-42-HP-GRSG

MSRP $680

Tudor Black Bay One 31 S&G

m79603-0001

MSRP $6,850

At a glance

12 of 29 specs differ

Diameter

42mm Automatic38mm

Black Bay One 31 S&G31mm

Power Reserve

42mm Automatic40h

Black Bay One 31 S&G50h

Water Resistance

42mm Automatic100m

Black Bay One 31 S&G100m

MSRP

42mm Automatic$680

Black Bay One 31 S&G$6,850

Full specifications

Case

8 specs

Crystal & Dial

1 specs

Dial Color

42mm Automatic

Black

Movement

2 specs

Caliber

Seiko NH35

MT5201

Power Reserve

40h

50h

Pricing

1 specs

MSRP

$680

$6,850

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Praesidus 42mm AutomaticvsTudor Black Bay One 31 S&G

At a glance

Full specifications

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