Which is cheaper, the Praesidus 38mm Automatic or the Formex Reef 39.5 mm?

At MSRP the Praesidus 38mm Automatic is the cheaper of the two at $680, against $2,230 for the Formex Reef 39.5 mm — a $1,550 gap before any retailer discounting.

Which is bigger, the Praesidus 38mm Automatic or the Formex Reef 39.5 mm?

The Formex Reef 39.5 mm wears larger at 39.5mm versus 38mm for the Praesidus 38mm Automatic — a 1.5mm difference across the dial.

Which has better water resistance, the Praesidus 38mm Automatic or the Formex Reef 39.5 mm?

The Formex Reef 39.5 mm is rated to 300m versus 100m for the Praesidus 38mm Automatic.

Which has a longer power reserve, the Praesidus 38mm Automatic or the Formex Reef 39.5 mm?

The Formex Reef 39.5 mm carries a 56-hour power reserve against 40 hours on the Praesidus 38mm Automatic.

What movement does the Praesidus 38mm Automatic run compared to the Formex Reef 39.5 mm?

Both watches run automatic movements — the Praesidus 38mm Automatic uses the Seiko NH35 and the Formex Reef 39.5 mm uses the Sellita SW300-1.

Side by side

Praesidus 38mm AutomaticvsFormex Reef 39.5 mm

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

Formex Reef 39.5 mm

reef-39.5-automatic-chronometer-cosc-300m-bahama-blue

MSRP $2,230

At a glance

11 of 29 specs differ

Diameter

38mm Automatic38mm

Reef 39.5 mm39.5mm

Power Reserve

38mm Automatic40h

Reef 39.5 mm56h

Water Resistance

38mm Automatic100m

Reef 39.5 mm300m

MSRP

38mm Automatic$680

Reef 39.5 mm$2,230

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Dial Color

38mm Automatic

Bahama Blue

Lume

None

Super-LumiNova

Movement

2 specs

Caliber

Seiko NH35

Sellita SW300-1

Power Reserve

40h

56h

Pricing

1 specs

MSRP

$680

$2,230

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Praesidus 38mm AutomaticvsFormex Reef 39.5 mm

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