Which is bigger, the Praesidus 38mm Automatic or the Tudor Black Bay?

The Tudor Black Bay wears larger at 41mm versus 38mm for the Praesidus 38mm Automatic — a 3mm difference across the dial.

Which has better water resistance, the Praesidus 38mm Automatic or the Tudor Black Bay?

The Tudor Black Bay is rated to 200m versus 100m for the Praesidus 38mm Automatic.

Which has a longer power reserve, the Praesidus 38mm Automatic or the Tudor Black Bay?

The Tudor Black Bay carries a 70-hour power reserve against 40 hours on the Praesidus 38mm Automatic.

What movement does the Praesidus 38mm Automatic run compared to the Tudor Black Bay?

Both watches run automatic movements — the Praesidus 38mm Automatic uses the Seiko NH35 and the Tudor Black Bay uses the MT5602.

Side by side

Praesidus 38mm AutomaticvsTudor Black Bay

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

Praesidus 38mm Automatic

P-38-HP-GRSG

MSRP $680

Tudor Black Bay

m79230g-0001

At a glance

13 of 29 specs differ

Diameter

38mm Automatic38mm

Black Bay41mm

Power Reserve

38mm Automatic40h

Black Bay70h

Water Resistance

38mm Automatic100m

Black Bay200m

MSRP

38mm Automatic$680

Black Bay—

Full specifications

Case

9 specs

Crystal & Dial

1 specs

Dial Color

38mm Automatic

Black

Movement

2 specs

Caliber

Seiko NH35

MT5602

Power Reserve

40h

70h

Pricing

1 specs

MSRP

$680

—

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Praesidus 38mm AutomaticvsTudor Black Bay

At a glance

Full specifications

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