Formex
Reef 42 mm
- 42 mm case, 2.5 mm wider
- 47 mm lug-to-lug, 1.5 mm longer
- Same Sellita SW300-1 caliber
What changes
Compare models 0.4 mm thicker case. $2,414 recorded MSRP, $184 higher
Watch alternatives
Alternatives to the Formex Reef 39.5 mm
Keep what you like. Explore what could be different. Compare 48 catalog matches by dimensions, movement and price.
- Case diameter
- 39.5 mm
- Lug-to-lug
- 45.5 mm
- Movement
- Automatic
- Catalog MSRP
- $2,230
The starting pointStarting points
Choose the differences that matter to you.
Closest catalog matchFormex Reef 42 mm42 mm case, 2.5 mm widerSee the match Lower recorded MSRPIslander Formex Baby REEF 39.5mm Chronometer Watch with Bahama Blue Dial #2201.1.6367.900$2,085 recorded MSRP, $145 lowerSee the match Shorter lug-to-lugPhoibos Voyager45 mm lug-to-lug, 0.5 mm shorterSee the match
Calculated from catalog specifications and similarity signals. Prices are recorded MSRP in USD. Missing measurements stay unknown.
Your priorities
Narrow these matches without leaving the page.
ColorwayPick a colorway to match a specific dial
48 matches
Microbrand picks· 12
Discover smaller makers with catalog similarities to this watch.
Islander
Formex Baby REEF 39.5mm Chronometer Watch with Bahama Blue Dial #2201.1.6367.900
- $2,085 recorded MSRP, $145 lower
- Same 39.5 mm case diameter
- Same Sellita SW300-1 caliber
What changes
Compare models Lug-to-lug is not recorded for this match.
Typsim
200M-N, a Stainless Steel Recreational Diving Watch with Sunray Blue Dial
- $1,199 recorded MSRP, $1,031 lower
- 39 mm case, 0.5 mm narrower
- 47.5 mm lug-to-lug, 2 mm longer
What changes
Compare models 1.7 mm thicker case
Venezianico
Nereide Tungsteno 39
- $895 recorded MSRP, $1,335 lower
- 39 mm case, 0.5 mm narrower
- Both use automatic movements
What changes
Compare models 0.5 mm thinner case
Phoibos
Apollo
- $460 recorded MSRP, $1,770 lower
- 39 mm case, 0.5 mm narrower
- 46 mm lug-to-lug, 0.5 mm longer
What changes
Compare models Dimensions alone do not establish wrist fit.
Zelos
Swordfish 3
- $399 recorded MSRP, $1,831 lower
- 40 mm case, 0.5 mm wider
- Both use automatic movements
What changes
Compare models 1 mm thicker case
Phoibos
Voyager
- $299 recorded MSRP, $1,931 lower
- 39 mm case, 0.5 mm narrower
- 45 mm lug-to-lug, 0.5 mm shorter
What changes
Compare models 2.5 mm thicker case
Knot Watches
AT1-40SSV
- $869 recorded MSRP, $1,361 lower
- 40 mm case, 0.5 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Wren
Diver 38 Aqua
- $1,595 recorded MSRP, $635 lower
- 38 mm case, 1.5 mm narrower
- 45 mm lug-to-lug, 0.5 mm shorter
What changes
Compare models 0.3 mm thinner case
ZRC 1904
HETERIUM -METAL
- 41.5 mm case, 2 mm wider
- Same Sellita SW300-1 caliber
What changes
Compare models $3,690 recorded MSRP, $1,460 higher
Islander
Northport Hi-Beat Automatic Dive Watch with Ocean Blue and White Ripple Dial #ISL-195
- $449 recorded MSRP, $1,781 lower
- 40.5 mm case, 1 mm wider
- 47 mm lug-to-lug, 1.5 mm longer
What changes
Compare models 1.5 mm thicker case
MMI Watches
Turret 300m V2 Retro Model Trd 02
- $383 recorded MSRP, $1,847 lower
- 40 mm case, 0.5 mm wider
- 47 mm lug-to-lug, 1.5 mm longer
What changes
Compare models 2.6 mm thicker case
Mainstream picks· 12
Established-brand matches. Compare the recorded dimensions, movement and price for each watch.
Christopher Ward
C60 Sapphire Edge
- $1,640 recorded MSRP, $590 lower
- 42 mm case, 2.5 mm wider
- 49.3 mm lug-to-lug, 3.8 mm longer
What changes
Compare models 0.3 mm thinner case
Seiko
Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition
- $1,400 recorded MSRP, $830 lower
- 40 mm case, 0.5 mm wider
- 46.4 mm lug-to-lug, 0.9 mm longer
What changes
Compare models 2 mm thicker case
Christopher Ward
C60 Atoll 300
- $1,320 recorded MSRP, $910 lower
- 40 mm case, 0.5 mm wider
- 47.4 mm lug-to-lug, 1.9 mm longer
What changes
Compare models 0.3 mm thicker case
Christopher Ward
C60 Sapphire Edge
- $1,495 recorded MSRP, $735 lower
- 42 mm case, 2.5 mm wider
- 49.3 mm lug-to-lug, 3.8 mm longer
What changes
Compare models 0.3 mm thinner case
Seiko
Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition
- $1,250 recorded MSRP, $980 lower
- 40.5 mm case, 1 mm wider
- 47.6 mm lug-to-lug, 2.1 mm longer
What changes
Compare models 2.2 mm thicker case
Seiko
Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition
- $1,550 recorded MSRP, $680 lower
- 40 mm case, 0.5 mm wider
- 46.4 mm lug-to-lug, 0.9 mm longer
What changes
Compare models 2 mm thicker case
Fortis
Marinemaster M-40
- 40 mm case, 0.5 mm wider
- Both use automatic movements
What changes
Compare models 2 mm thicker case. $3,960 recorded MSRP, $1,730 higher
Norqain
Adventure 40mm
- 40 mm case, 0.5 mm wider
- 48.3 mm lug-to-lug, 2.8 mm longer
- Both use automatic movements
What changes
Compare models 1.6 mm thicker case. $4,120 recorded MSRP, $1,890 higher
DOXA
SUB 300
- 42.5 mm case, 3 mm wider
- Both use automatic movements
What changes
Compare models $2,890 recorded MSRP, $660 higher
DOXA
SUB 250T GMT
- 40 mm case, 0.5 mm wider
- Both use automatic movements
What changes
Compare models $2,790 recorded MSRP, $560 higher
Glycine
Combat Sub Sport
- $1,530 recorded MSRP, $700 lower
- 42 mm case, 2.5 mm wider
- Both use automatic movements
What changes
Compare models 0.6 mm thinner case
Fortis
Flieger F-41
- 41 mm case, 1.5 mm wider
- Both use automatic movements
What changes
0.5 mm thicker case. $3,190 recorded MSRP, $960 higher
Cheaper alternatives· 12
Matches in a lower price band. A recorded MSRP difference is shown only when both prices are known.
Tissot
Seastar 1000
- $875 recorded MSRP, $1,355 lower
- 40 mm case, 0.5 mm wider
- 40 mm lug-to-lug, 5.5 mm shorter
What changes
Compare models 1.5 mm thicker case
Seiko
Prospex Sea
- $1,100 recorded MSRP, $1,130 lower
- 41.3 mm case, 1.8 mm wider
- 48.2 mm lug-to-lug, 2.7 mm longer
What changes
Compare models 1.5 mm thicker case
Orient
75th Anniversary RA-AC0Q12L30B
- $405 recorded MSRP, $1,825 lower
- 39.9 mm case, 0.4 mm wider
- 46.5 mm lug-to-lug, 1 mm longer
What changes
Compare models 1.8 mm thicker case
Yema
Navygraf Heritage
- $1,090 recorded MSRP, $1,140 lower
- 39 mm case, 0.5 mm narrower
- 46 mm lug-to-lug, 0.5 mm longer
What changes
Compare models 0.2 mm thinner case
Bulova
Black Dial Stainless Steel Bracelet Vintage Sea Hunter 43B175
- $375 recorded MSRP, $1,855 lower
- 39 mm case, 0.5 mm narrower
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Glycine
Unisex Combat Sub Bronze 39mm Automatic Watch GL0517
- $540 recorded MSRP, $1,690 lower
- 39 mm case, 0.5 mm narrower
- Both use automatic movements
What changes
Compare models 0.2 mm thicker case
Hamilton
Khaki Navy Scuba Auto
- $975 recorded MSRP, $1,255 lower
- 40 mm case, 0.5 mm wider
- Both use automatic movements
What changes
Compare models 1.9 mm thicker case
Yema
Superman Heritage
- $1,004 recorded MSRP, $1,226 lower
- 39 mm case, 0.5 mm narrower
- Both use automatic movements
What changes
Compare models 0.3 mm thicker case
Seiko
Prospex Sea
- $595 recorded MSRP, $1,635 lower
- 41.7 mm case, 2.2 mm wider
- 49.5 mm lug-to-lug, 4 mm longer
What changes
Compare models 1.3 mm thicker case
Tissot
PR516
- $825 recorded MSRP, $1,405 lower
- 38 mm case, 1.5 mm narrower
- 37 mm lug-to-lug, 8.5 mm shorter
What changes
0.2 mm thicker case
Orient
Diver Watch
- $310 recorded MSRP, $1,920 lower
- 41.5 mm case, 2 mm wider
- 47 mm lug-to-lug, 1.5 mm longer
What changes
Compare models 2 mm thicker case
Seiko
Prospex Land Mechanical
- $995 recorded MSRP, $1,235 lower
- Same 39.5 mm case diameter
- 46.4 mm lug-to-lug, 0.9 mm longer
What changes
1.7 mm thicker case
Pricier alternatives· 12
Matches in a higher price band. Check the specifications to decide whether the differences matter to you.
Oris
Aquis Date Calibre 400
- 41.5 mm case, 2 mm wider
- Both use automatic movements
What changes
Compare models $5,150 recorded MSRP, $2,920 higher
Omega
Seamaster 300 Co Axial Master Chronometer 41mm
- 41 mm case, 1.5 mm wider
- 48 mm lug-to-lug, 2.5 mm longer
- Both use automatic movements
What changes
Compare models 2.8 mm thicker case. $8,300 recorded MSRP, $6,070 higher
Breitling
Superocean Heritage B31 Automatic 40 Kelly Slater
- 40 mm case, 0.5 mm wider
- Both use automatic movements
What changes
Compare models 0.7 mm thicker case
Blancpain
Fifty Fathoms Automatique
- 38.2 mm case, 1.3 mm narrower
- Both use automatic movements
What changes
Compare models 1 mm thicker case. $19,900 recorded MSRP, $17,670 higher
Blancpain
Bathyscaphe
- 38 mm case, 1.5 mm narrower
- Both use automatic movements
What changes
Compare models 0.2 mm thinner case. $12,500 recorded MSRP, $10,270 higher
Omega
Seamaster Diver 300M Co Axial Master Chronometer 42mm
- 42 mm case, 2.5 mm wider
- 49.9 mm lug-to-lug, 4.4 mm longer
- Both use automatic movements
What changes
Compare models 2.6 mm thicker case. $7,100 recorded MSRP, $4,870 higher
Audemars Piguet
Royal Oak Offshore Diver 42mm
- 42 mm case, 2.5 mm wider
- Both use automatic movements
What changes
Lug-to-lug is not recorded for this match.
Breitling
Superocean Heritage Automatic 36
- 36 mm case, 3.5 mm narrower
- Both use automatic movements
What changes
Compare models 0.6 mm thinner case. $5,500 recorded MSRP, $3,270 higher
Breitling
Avenger Automatic
- 42 mm case, 2.5 mm wider
- Both use automatic movements
What changes
Compare models 1.2 mm thicker case. $4,900 recorded MSRP, $2,670 higher
IWC Schaffhausen
Iw328801 Aquatimer Automatic
- 42 mm case, 2.5 mm wider
- Both use automatic movements
What changes
Compare models 3.1 mm thicker case. $6,700 recorded MSRP, $4,470 higher
Oris
Aquis Chronograph
- 43.5 mm case, 4 mm wider
- Both use automatic movements
What changes
Compare models $5,000 recorded MSRP, $2,770 higher
Jaeger-LeCoultre
Polaris Date
- 40 mm case, 0.5 mm wider
- Both use automatic movements
What changes
Compare models 1.9 mm thicker case. $10,400 recorded MSRP, $8,170 higher
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