Side by side

Formex Reef 39.5 mmvsStewart Dawson 911

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

Add a watch
Reef 39.5 mm
FormexReef 39.5 mm
MSRP $2,230
911
Stewart Dawson911
MSRP $1,567
Buy from Formex ↗
Buy used on eBay ↗
Buy from Stewart Dawson ↗
Buy used on eBay ↗

At a glance

11 of 29 specs differ
Diameter
Reef 39.5 mm39.5mm
91142.5mm
Power Reserve
Reef 39.5 mm56h
91141h
Water Resistance
Reef 39.5 mm300m
911100m
MSRP
Reef 39.5 mm$2,230
911$1,567

Full specifications

Case

6 specs
Category
Diver
—
Diameter
39.5mm
42.5mm
Thickness
11mm
13mm
Lug-to-Lug
45.5mm
50mm
Lug Width
22mm
—
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Bahama Blue
Grey
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Sellita SW300-1
Sellita SW200
Power Reserve
56h
41h

Pricing

1 specs
MSRP
$2,230
—
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.

Boldr Blastoise
Boldrmicro
Pokémon Collab

Blastoise

Ref. blastoise
40mm·Automatic·200m WR
$449MSRP
—Used
Eza AirFighter
Ezamicro

AirFighter

9 variantsRef. airfighter
41mm·Automatic
$1,175MSRP
—Used
Phoibos Argo
Phoibosmicro

Argo

Ref. phoibos-argo-200m-automatic-diver-watch-py052f-spiral-sunray-yellow
40.5mm·Automatic·200m WR
$345MSRP
—Used
Resco BlackFrog Patriot Gen1 (DLC, Quartz/Auto)
Rescomicro

BlackFrog Patriot Gen1 (DLC, Quartz/Auto)

Ref. blackfrog-patriot-gen1
42mm·Automatic·200m WR
$1,905MSRP
—Used
Phoibos Voyager
Phoibosmicro

Voyager

2 watches · 5 variantsVoyager
39mm·Automatic·200m WR
$299MSRP
—Used
Resco Custom C8: DLC Gen2, Olive UDT dial
Rescomicro

Custom C8: DLC Gen2, Olive UDT dial

Ref. custom-c8-gen2-udt-olive
42mm·Automatic·300m WR
$2,155MSRP
—Used
Borealis Watch Co. Porto Covo
Borealis Watch Co.micro

Porto Covo

2 variantsPorto Covo
40mm·Automatic·300m WR
$415MSRP
—Used
Nodus Duality II
Nodusmicro

Duality II

3 variantsDuality II
40mm·Automatic·300m WR
$875MSRP
—Used
All alternatives to the Reef 39.5 mm →All alternatives to the 911 →
Explore the full catalog

Follow this matchup

Get a note when Formex Reef 39.5 mm vs Stewart Dawson 911 gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

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

Formex Reef 42 mmvsStewart Dawson 911Boldr BlastoisevsStewart Dawson 911Phoibos ArgovsStewart Dawson 911Phoibos VoyagervsStewart Dawson 911Eza AirFightervsFormex Reef 39.5 mmFormex Reef 39.5 mmvsResco BlackFrog Patriot Gen1 (DLC, Quartz/Auto)
Edit this comparisonAdd another watchExplore more 38–44mm watches