Islander
Automatic Dive Watch #ISL-18
- $429 recorded MSRP, $7,271 lower
- 43 mm case, 0.8 mm narrower
- 46 mm lug-to-lug, 5 mm shorter
What changes
Compare models 0.7 mm thinner case
Watch alternatives
Alternatives to the Grand Seiko SBGH289
Keep what you like. Explore what could be different. Compare 48 catalog matches by dimensions, movement and price.
- Case diameter
- 43.8 mm
- Lug-to-lug
- 51 mm
- Movement
- Automatic
- Catalog MSRP
- $7,700
The starting pointStarting points
Choose the differences that matter to you.
Closest catalog matchIslander Automatic Dive Watch #ISL-18$429 recorded MSRP, $7,271 lowerSee the match Lower recorded MSRPOrient Sports Diver$700 recorded MSRP, $7,000 lowerSee the match Shorter lug-to-lugAudaz ADZ-305050 mm lug-to-lug, 1 mm shorterSee the match
Calculated from catalog specifications and similarity signals. Prices are recorded MSRP in USD, not current retail offers. Missing measurements stay unknown.
Your priorities
Narrow these matches without leaving the page.
48 matches
Microbrand picks· 12
Discover smaller makers with catalog similarities to this watch.
Audaz
ADZ-3050
- $550 recorded MSRP, $7,150 lower
- 42 mm case, 1.8 mm narrower
- 50 mm lug-to-lug, 1 mm shorter
What changes
Compare models 0.3 mm thicker case
Audaz
Audaz Sea Ranger ADZ-2050
- $375 recorded MSRP, $7,325 lower
- 42 mm case, 1.8 mm narrower
- 50 mm lug-to-lug, 1 mm shorter
What changes
Compare models 0.2 mm thinner case
Seagull
Ocean Series Pro 300m Moon Phase Gradient Wave-textured Dial Diving Watch 43.5mm
- $799 recorded MSRP, $6,901 lower
- 43.5 mm case, 0.3 mm narrower
- 51.6 mm lug-to-lug, 0.6 mm longer
What changes
Compare models 0.3 mm thicker case
Serket Watch Co
Reef X Diver
- $499 recorded MSRP, $7,201 lower
- 43 mm case, 0.8 mm narrower
- 50 mm lug-to-lug, 1 mm shorter
What changes
Compare models 2 mm thinner case
Aigi Watches
BARENTS SEA AUTOMATIC round dive watch 43mm, applied markers + date + dive bezel
- $180 recorded MSRP, $7,520 lower
- 43 mm case, 0.8 mm narrower
- 49 mm lug-to-lug, 2 mm shorter
What changes
Compare models 3.7 mm thinner case
Audaz
Ocean Raider
- $375 recorded MSRP, $7,325 lower
- 45 mm case, 1.2 mm wider
- 52 mm lug-to-lug, 1 mm longer
What changes
Compare models 0.3 mm thicker case
Islander
Red October V2 Dive Watch with Radiant Blue Dial #ISL-323
- $449 recorded MSRP, $7,251 lower
- 42 mm case, 1.8 mm narrower
- Both use automatic movements
What changes
Compare models 0.7 mm thinner case
Orient Star
Diver
- $585 recorded MSRP, $7,115 lower
- 43.6 mm case, 0.2 mm narrower
- 51.1 mm lug-to-lug, 0.1 mm longer
What changes
Compare models 0.7 mm thinner case
Seagull
Ocean Series 200m Waterproof Aircraft Carrier Dial Dive Watch 44mm
- $259 recorded MSRP, $7,441 lower
- 44 mm case, 0.2 mm wider
- 52 mm lug-to-lug, 1 mm longer
What changes
Compare models 0.7 mm thinner case
Seagull
Ocean Series Pro 300m Waterproof Diving Watch 44mm
- $499 recorded MSRP, $7,201 lower
- 44 mm case, 0.2 mm wider
- Both use automatic movements
What changes
Compare models 1.2 mm thinner case
Spinnaker
Bradner Pearl Diver
- $370 recorded MSRP, $7,330 lower
- 42 mm case, 1.8 mm narrower
- 50 mm lug-to-lug, 1 mm shorter
What changes
Compare models 0.3 mm thicker case
Mainstream picks· 12
Established-brand matches. Compare the recorded dimensions, movement and price for each watch.
Fortis
Marinemaster M-44
- $5,560 recorded MSRP, $2,140 lower
- 44 mm case, 0.2 mm wider
- Both use automatic movements
What changes
Compare models 0.7 mm thinner case
Breitling
Superocean Heritage B20 Automatic
- $6,150 recorded MSRP, $1,550 lower
- 44 mm case, 0.2 mm wider
- Both use automatic movements
What changes
Compare models 0.1 mm thinner case
Omega
Seamaster Planet Ocean 600M Co Axial Master Chronometer 42mm
- 42 mm case, 1.8 mm narrower
- 47.5 mm lug-to-lug, 3.5 mm shorter
- Both use automatic movements
What changes
Compare models 0.9 mm thinner case. $8,600 recorded MSRP, $900 higher
Omega
Seamaster Diver 300M Co Axial Master Chronometer 42mm
- $6,700 recorded MSRP, $1,000 lower
- 42 mm case, 1.8 mm narrower
- 49.9 mm lug-to-lug, 1.1 mm shorter
What changes
Compare models 1.1 mm thinner case
Omega
Seamaster Planet Ocean 6000M Co Axial Master Chronometer 45 5mm
- 45.5 mm case, 1.7 mm wider
- 51.9 mm lug-to-lug, 0.9 mm longer
- Both use automatic movements
What changes
Compare models 3.4 mm thicker case. $14,300 recorded MSRP, $6,600 higher
IWC Schaffhausen
Iw328801 Aquatimer Automatic
- $6,700 recorded MSRP, $1,000 lower
- 42 mm case, 1.8 mm narrower
- Both use automatic movements
What changes
Compare models 0.6 mm thinner case
Grand Seiko
SLGA015
- Same 43.8 mm case diameter
- 51.5 mm lug-to-lug, 0.5 mm longer
What changes
Compare models Spring Drive movement instead of automatic. 0.9 mm thinner case
Grand Seiko
SBGA481
- 44.5 mm case, 0.7 mm wider
- 50 mm lug-to-lug, 1 mm shorter
What changes
Compare models Spring Drive movement instead of automatic. 0.4 mm thinner case
Breitling
Superocean Automatic
- $5,900 recorded MSRP, $1,800 lower
- 44 mm case, 0.2 mm wider
- Both use automatic movements
What changes
Compare models 2.1 mm thinner case
Breitling
Superocean Heritage B31 Automatic
- $6,800 recorded MSRP, $900 lower
- 42 mm case, 1.8 mm narrower
- Both use automatic movements
What changes
Compare models 2.7 mm thinner case
Seiko
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition
- $4,600 recorded MSRP, $3,100 lower
- 45.4 mm case, 1.6 mm wider
- 50.4 mm lug-to-lug, 0.6 mm shorter
What changes
Compare models 1.3 mm thicker case
Fortis
Marinemaster M-44 DLC
- $5,450 recorded MSRP, $2,250 lower
- 44 mm case, 0.2 mm wider
- Both use automatic movements
What changes
Compare models 0.7 mm thinner case
Cheaper alternatives· 12
Matches in a lower price band. A recorded MSRP difference is shown only when both prices are known.
Orient
Sports Diver
- $700 recorded MSRP, $7,000 lower
- 43.6 mm case, 0.2 mm narrower
- Both use automatic movements
What changes
Compare models 0.7 mm thinner case
Longines
HYDROCONQUEST GMT
- $3,350 recorded MSRP, $4,350 lower
- 43 mm case, 0.8 mm narrower
- 52 mm lug-to-lug, 1 mm longer
What changes
Compare models 1.8 mm thinner case
Seiko
Prospex Sea Save the Ocean Special Edition
- $650 recorded MSRP, $7,050 lower
- Same 43.8 mm case diameter
- 48.7 mm lug-to-lug, 2.3 mm shorter
What changes
Compare models 1.9 mm thinner case
Seiko
Prospex Sea PADI Special Edition
- $650 recorded MSRP, $7,050 lower
- 45 mm case, 1.2 mm wider
- 47.7 mm lug-to-lug, 3.3 mm shorter
What changes
Compare models 1.5 mm thinner case
DOXA
SUB 200 II
- $1,750 recorded MSRP, $5,950 lower
- 44 mm case, 0.2 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Glycine
Men's Airman SST GMT 43mm Automatic Watch GL0310
- $905 recorded MSRP, $6,795 lower
- 43 mm case, 0.8 mm narrower
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Seiko
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch
- $3,600 recorded MSRP, $4,100 lower
- 42.6 mm case, 1.2 mm narrower
- 49.3 mm lug-to-lug, 1.7 mm shorter
What changes
Compare models 0.6 mm thinner case
Junghans
Aquaris Red
- $3,220 recorded MSRP, $4,480 lower
- 46.9 mm case, 3.1 mm wider
- Both use automatic movements
What changes
Compare models 0.2 mm thinner case
Christopher Ward
C60 Sapphire Edge
- $1,640 recorded MSRP, $6,060 lower
- 42 mm case, 1.8 mm narrower
- 49.3 mm lug-to-lug, 1.7 mm shorter
What changes
Compare models 4 mm thinner case
Tissot
Seastar 2000
- $1,275 recorded MSRP, $6,425 lower
- 46 mm case, 2.2 mm wider
- 46 mm lug-to-lug, 5 mm shorter
What changes
Compare models 1.6 mm thicker case
Tissot
Seastar 1000
- $875 recorded MSRP, $6,825 lower
- 43 mm case, 0.8 mm narrower
- 43 mm lug-to-lug, 8 mm shorter
What changes
Compare models 2 mm thinner case
Longines
HydroConquest 44mm
- $1,600 recorded MSRP, $6,100 lower
- 44 mm case, 0.2 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Pricier alternatives· 12
Matches in a higher price band. Check the specifications to decide whether the differences matter to you.
Blancpain
Bathyscaphe Chronographe Flyback
- 43.6 mm case, 0.2 mm narrower
- Both use automatic movements
What changes
Compare models 0.6 mm thicker case. $31,700 recorded MSRP, $24,000 higher
Blancpain
Fifty Fathoms Automatique
- 45 mm case, 1.2 mm wider
- Both use automatic movements
What changes
Compare models 0.8 mm thicker case. $19,900 recorded MSRP, $12,200 higher
Jaeger-LeCoultre
Polaris Mariner Memovox Stainless Steel
- 42 mm case, 1.8 mm narrower
- Both use automatic movements
What changes
Compare models 0.9 mm thicker case. $23,400 recorded MSRP, $15,700 higher
Blancpain
Bathyscaphe
- 43.6 mm case, 0.2 mm narrower
- Both use automatic movements
What changes
Compare models 0.9 mm thinner case. $26,000 recorded MSRP, $18,300 higher
Omega
Seamaster James Bond Limited Edition Set Watch 210.83.42.20.03.001
- 42 mm case, 1.8 mm narrower
- 50 mm lug-to-lug, 1 mm shorter
- Both use automatic movements
What changes
Compare models 0.4 mm thinner case
Tudor
Black Bay 68
- 43 mm case, 0.8 mm narrower
- Both use automatic movements
What changes
Compare models 1.1 mm thinner case
Rolex
Rolex Deepsea
- 44 mm case, 0.2 mm wider
- Both use automatic movements
What changes
Compare models $15,880 recorded MSRP, $8,180 higher
Omega
Seamaster Spectre Limited Edition Watch 210.30.42.20.01.029
- 42 mm case, 1.8 mm narrower
- 50 mm lug-to-lug, 1 mm shorter
- Both use automatic movements
What changes
Compare models 0.5 mm thinner case
Tudor
Pelagos
- 42 mm case, 1.8 mm narrower
- Both use automatic movements
What changes
Compare models 0.4 mm thinner case
Breitling
Superocean Heritage B31 Automatic 40 Kelly Slater
- 40 mm case, 3.8 mm narrower
- Both use automatic movements
What changes
Compare models 3 mm thinner case
Omega
Seamaster Spectre Limited Edition Watch 210.83.42.20.01.001
- 42 mm case, 1.8 mm narrower
- 50 mm lug-to-lug, 1 mm shorter
- Both use automatic movements
What changes
Compare models 0.4 mm thinner case
TAG Heuer
Aquaracer Calibre 5
- 41 mm case, 2.8 mm narrower
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
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