Which is cheaper, the Smith & Bradley Atlantis A2 Auto or the Formex Reef 42 mm?

At MSRP the Smith & Bradley Atlantis A2 Auto is the cheaper of the two at $789, against $2,414 for the Formex Reef 42 mm — a $1,625 gap before any retailer discounting.

Which is bigger, the Smith & Bradley Atlantis A2 Auto or the Formex Reef 42 mm?

The Smith & Bradley Atlantis A2 Auto wears larger at 44mm versus 42mm for the Formex Reef 42 mm — a 2mm difference across the dial.

Which has a longer power reserve, the Smith & Bradley Atlantis A2 Auto or the Formex Reef 42 mm?

The Formex Reef 42 mm carries a 56-hour power reserve against 38 hours on the Smith & Bradley Atlantis A2 Auto.

What movement does the Smith & Bradley Atlantis A2 Auto run compared to the Formex Reef 42 mm?

Both watches run automatic movements — the Smith & Bradley Atlantis A2 Auto uses the Sellita SW200 and the Formex Reef 42 mm uses the Sellita SW300-1.

Side by side

Smith & Bradley Atlantis A2 AutovsFormex Reef 42 mm

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

Smith & Bradley Atlantis A2 Auto

copy-of-atlantis-automatic-watch

MSRP $789

Formex Reef 42 mm

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

MSRP $2,414

At a glance

8 of 29 specs differ

Diameter

Atlantis A2 Auto44mm

Reef 42 mm42mm

Power Reserve

Atlantis A2 Auto38h

Reef 42 mm56h

Water Resistance

Atlantis A2 Auto300m

Reef 42 mm300m

MSRP

Atlantis A2 Auto$789

Reef 42 mm$2,414

Full specifications

Case

3 specs

Diameter

44mm

42mm

Thickness

12mm

11.4mm

Lug-to-Lug

46mm

47mm

Crystal & Dial

2 specs

AR Coating

Yes

Inner

Lume

None

Super-LumiNova

Movement

2 specs

Caliber

Sellita SW200

Sellita SW300-1

Power Reserve

38h

56h

Pricing

1 specs

MSRP

$789

$2,414

Follow this matchup

Get a note when Smith & Bradley Atlantis A2 Auto 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.

Boschett Timepiecesmicro

Adjacent matchups

People also compared

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

Boschett Timepieces Cave DwellervsFormex Reef 42 mm Formex Reef 42 mmvsZelos Great White 43 Bremont Supermarine 500MvsFormex Reef 42 mm Fortis Marinemaster M-44 DLCvsFormex Reef 42 mm Smith & Bradley Atlantis A2 AutovsFormex Reef 39.5 mm Smith & Bradley Atlantis A2 AutovsPhoibos Great Wall

Edit this comparison Add another watch More diver comparisons Best Diver Watches Under $1,000 Explore more 41–45mm watches

Smith & Bradley Atlantis A2 AutovsFormex Reef 42 mm

At a glance

Full specifications

Follow this matchup

More watches worth a look

Cave Dweller

Great Wall

Great White 43

Eagle Ray

Supermarine 500M

Nereide Titanio

Marinemaster M-44 DLC

Porto Covo

People also compared