Which is cheaper, the Spinnaker Brutus Yellow or the Formex Reef 39.5 mm?

At MSRP the Spinnaker Brutus Yellow is the cheaper of the two at $395, against $2,230 for the Formex Reef 39.5 mm — a $1,835 gap before any retailer discounting.

Which is bigger, the Spinnaker Brutus Yellow or the Formex Reef 39.5 mm?

The Spinnaker Brutus Yellow wears larger at 43mm versus 39.5mm for the Formex Reef 39.5 mm — a 3.5mm difference across the dial.

Which has better water resistance, the Spinnaker Brutus Yellow or the Formex Reef 39.5 mm?

The Formex Reef 39.5 mm is rated to 300m versus 150m for the Spinnaker Brutus Yellow.

Which has a longer power reserve, the Spinnaker Brutus Yellow or the Formex Reef 39.5 mm?

The Formex Reef 39.5 mm carries a 56-hour power reserve against 40 hours on the Spinnaker Brutus Yellow.

What movement does the Spinnaker Brutus Yellow run compared to the Formex Reef 39.5 mm?

Both watches run automatic movements — the Spinnaker Brutus Yellow uses the SII NH35A and the Formex Reef 39.5 mm uses the Sellita SW300-1.

Side by side

Spinnaker Brutus YellowvsFormex Reef 39.5 mm

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

Spinnaker Brutus Yellow

fleuss-automatic-popeye-bronemies-limited-edition-brutus-yellow-sp-5161-01

MSRP $395

Formex Reef 39.5 mm

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

MSRP $2,230

At a glance

10 of 29 specs differ

Diameter

Brutus Yellow43mm

Reef 39.5 mm39.5mm

Power Reserve

Brutus Yellow40h

Reef 39.5 mm56h

Water Resistance

Brutus Yellow150m

Reef 39.5 mm300m

MSRP

Brutus Yellow$395

Reef 39.5 mm$2,230

Full specifications

Case

5 specs

Diameter

43mm

39.5mm

Thickness

13mm

11mm

Lug-to-Lug

51mm

45.5mm

Material

316L Stainless Steel

Stainless Steel

Water Resistance

150m

300m

Crystal & Dial

2 specs

Dial Color

Brutus Yellow

Bahama Blue

Lume

None

Super-LumiNova

Movement

2 specs

Caliber

SII NH35A

Sellita SW300-1

Power Reserve

40h

56h

Pricing

1 specs

MSRP

$395

$2,230

Follow this matchup

Get a note when Spinnaker Brutus Yellow vs Formex Reef 39.5 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.

Spinnakermicro

Adjacent matchups

People also compared

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

Spinnaker Hull California (Olive Oyl Red)vsFormex Reef 39.5 mm Zelos Dlc - Mosaic MopvsFormex Reef 39.5 mm Formex Reef 39.5 mmvsSpinnaker Cahill Automatic Formex Reef 39.5 mmvsSpinnaker Wreck Automatic Spinnaker Brutus YellowvsHenry Archer Tidevand Spinnaker Brutus YellowvsHenry Archer Vesterhav

Edit this comparison Add another watch More diver comparisons Best Diver Watches Under $500 Explore more 38–44mm watches

Spinnaker Brutus YellowvsFormex Reef 39.5 mm

At a glance

Full specifications

Follow this matchup

More watches worth a look

Hull California (Olive Oyl Red)

Tidevand

Dlc - Mosaic Mop

Vesterhav

Cahill Automatic

Spearfish 3

Supermarine 300M

Phalanx

People also compared