Which is cheaper, the Praesidus 38mm Automatic or the Formex Reef 42 mm?

At MSRP the Praesidus 38mm Automatic is the cheaper of the two at $680, against $2,414 for the Formex Reef 42 mm — a $1,734 gap before any retailer discounting.

Which is bigger, the Praesidus 38mm Automatic or the Formex Reef 42 mm?

The Formex Reef 42 mm wears larger at 42mm versus 38mm for the Praesidus 38mm Automatic — a 4mm difference across the dial.

Which has better water resistance, the Praesidus 38mm Automatic or the Formex Reef 42 mm?

The Formex Reef 42 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 42 mm?

The Formex Reef 42 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 42 mm?

Both watches run automatic movements — the Praesidus 38mm Automatic uses the Seiko NH35 and the Formex Reef 42 mm uses the Sellita SW300-1.

Side by side

Praesidus 38mm AutomaticvsFormex Reef 42 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 42 mm

reef-42mm-automatic-cosc-300m-black

MSRP $2,414

At a glance

12 of 29 specs differ

Diameter

38mm Automatic38mm

Reef 42 mm42mm

Power Reserve

38mm Automatic40h

Reef 42 mm56h

Water Resistance

38mm Automatic100m

Reef 42 mm300m

MSRP

38mm Automatic$680

Reef 42 mm$2,414

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Dial Color

38mm Automatic

Black

Lume

None

Super-LumiNova

Movement

2 specs

Caliber

Seiko NH35

Sellita SW300-1

Power Reserve

40h

56h

Pricing

1 specs

MSRP

$680

$2,414

Follow this matchup

Get a note when Praesidus 38mm Automatic vs Formex Reef 42 mm gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Zelosmicro

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Formex Reef 42 mmvsZelos Swordfish Field 38 Maen Manhattan 37 IFL EditionvsFormex Reef 42 mm Spinnaker Hull California (Olive Oyl Red)vsFormex Reef 42 mm Mr Jones Watches Beam me up! mechanicalvsFormex Reef 42 mm Praesidus 38mm AutomaticvsSpinnaker Hull Commander Praesidus 38mm AutomaticvsZelos Great White 43

Edit this comparison Add another watch Explore more 37–43mm watches

Praesidus 38mm AutomaticvsFormex Reef 42 mm

At a glance

Full specifications

Follow this matchup

More watches worth a look

Swordfish Field 38

Hull Commander

Manhattan 37 IFL Edition

Great White 43

Pathfinder

Beam me up! mechanical

Tesei Titanium

Khaosify mechanical

People also compared