Horizon Watches
Nemo
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models $950 recorded MSRP, $725 higher
Watch alternatives
Alternatives to the Seestern Ocean Star S450-2
Keep what you like. Explore what could be different. Compare 48 catalog matches by dimensions, movement and price.
- Case diameter
- 40 mm
- Lug-to-lug
- Not recorded
- Movement
- Automatic
- Catalog MSRP
- $225
The starting pointStarting points
Choose the differences that matter to you.
Closest catalog matchRolex Deepsea Challenge50 mm case, 10 mm widerSee the match Lower recorded MSRPAddiesdive Vintage Sub Dive$59 recorded MSRP, $166 lowerSee 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
Greenport 39mm Diver with Black and White Dial
- 39 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models $395 recorded MSRP, $170 higher
Von Doren
URÆD
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models $1,390 recorded MSRP, $1,165 higher
Knot Watches
AT1-40SSV
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models $869 recorded MSRP, $644 higher
Seagull
Ocean Series 200m Metallic Gradient Dial Calendar Diver 39mm
- 39 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models $711 recorded MSRP, $486 higher
Serket Watch Co
Reef Mariana
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models $449 recorded MSRP, $224 higher
Zelos
Mako 4
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models $529 recorded MSRP, $304 higher
Islander
Diver #ISL-63
- 38 mm case, 2 mm narrower
- Both use automatic movements
What changes
Compare models $329 recorded MSRP, $104 higher
La Touraine
Atlantic Automatic Diver
- 40.5 mm case, 0.5 mm wider
- Both use automatic movements
What changes
Compare models $350 recorded MSRP, $125 higher
Phoibos
Voyager
- 39 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models $299 recorded MSRP, $74 higher
Dekla
Seaborn Blue – Automatic Diver’s Watch
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models $890 recorded MSRP, $665 higher
IXDAO
5305 Elegant Professional Diver V3-California dial
- 39.5 mm case, 0.5 mm narrower
- Both use automatic movements
What changes
Compare models $259 recorded MSRP, $34 higher
Mainstream picks· 12
Established-brand matches. Compare the recorded dimensions, movement and price for each watch.
Orient
Diver Design 40
- 39.9 mm case, 0.1 mm narrower
- Both use automatic movements
What changes
Compare models $370 recorded MSRP, $145 higher
Invicta
Pro Diver 49317
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Invicta
Pro Diver 5053
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Invicta
Pro Diver 47720
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Orient
AC0Q-40 Diver
- 39.9 mm case, 0.1 mm narrower
- Both use automatic movements
What changes
Compare models $370 recorded MSRP, $145 higher
Orient
AA08 Diver
- 41.8 mm case, 1.8 mm wider
- Both use automatic movements
What changes
Compare models $390 recorded MSRP, $165 higher
Bulova
Vintage Sea Hunter
- 39 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models $395 recorded MSRP, $170 higher
Seiko
Seiko 5 Sports SKX series
- 38 mm case, 2 mm narrower
- Both use automatic movements
What changes
Compare models $350 recorded MSRP, $125 higher
Seiko
Seiko 5 Sports SKX series 2024 Special Edition
- 42.5 mm case, 2.5 mm wider
- Both use automatic movements
What changes
$375 recorded MSRP, $150 higher
Seiko
5KX
- 42.5 mm case, 2.5 mm wider
- Both use automatic movements
What changes
Compare models $350 recorded MSRP, $125 higher
Glycine
Combat
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models $240 recorded MSRP, $15 higher
Timex
Expedition Field Post Titanium
- 41 mm case, 1 mm wider
- Both use automatic movements
What changes
Compare models $419 recorded MSRP, $194 higher
Pricier alternatives· 12
Matches in a higher price band. Check the specifications to decide whether the differences matter to you.
Glycine
Combat Sub Box Ceramic 41mm
- 41 mm case, 1 mm wider
- Both use automatic movements
What changes
Compare models $705 recorded MSRP, $480 higher
DOXA
SUB 250T GMT
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models $2,790 recorded MSRP, $2,565 higher
Movado
Series 800 Automatic
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models $1,995 recorded MSRP, $1,770 higher
Citizen
Promaster Fujitsubo
- 41 mm case, 1 mm wider
- Both use automatic movements
What changes
Compare models $1,195 recorded MSRP, $970 higher
Glycine
Combat Sub Sport
- 39 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models $540 recorded MSRP, $315 higher
Glycine
Combat Sub Box Ceramic
- 41 mm case, 1 mm wider
- Both use automatic movements
What changes
Compare models $1,800 recorded MSRP, $1,575 higher
Longines
HydroConquest
- 39 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models $2,350 recorded MSRP, $2,125 higher
Seiko
Prospex Marinemaster 1965 Heritage Diver's Watch
- 39.5 mm case, 0.5 mm narrower
- Both use automatic movements
What changes
Compare models $2,800 recorded MSRP, $2,575 higher
Timex
Deepwater Meridian 200 GMT
- 42 mm case, 2 mm wider
- Both use automatic movements
What changes
Compare models $549 recorded MSRP, $324 higher
Tudor
Black Bay 58 79030
- 39 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models $4,000 recorded MSRP, $3,775 higher
Longines
HydroConquest Mesh
- 41 mm case, 1 mm wider
- Both use automatic movements
What changes
Compare models $2,350 recorded MSRP, $2,125 higher
Yema
Navygraf Marine Nationale CMM.10
- 39 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models $1,899 recorded MSRP, $1,674 higher
Homages & lookalikes· 12
Watches that share this design language: confirmed homages, close tributes, and lookalikes, including the classics that inspired the look. Hidden when nothing in the catalog is related.
Rolex
Deepsea Challenge
- 50 mm case, 10 mm wider
- Both use automatic movements
What changes
Compare models $29,100 recorded MSRP, $28,875 higher
Rolex
Sea-Dweller
- 43 mm case, 3 mm wider
- Both use automatic movements
What changes
Compare models $14,550 recorded MSRP, $14,325 higher
Rolex
Sea-Dweller
- 43 mm case, 3 mm wider
- Both use automatic movements
What changes
Compare models $22,450 recorded MSRP, $22,225 higher
Addiesdive
Vintage Sub Dive
- $59 recorded MSRP, $166 lower
- 41 mm case, 1 mm wider
What changes
Compare models Quartz movement instead of automatic
Addiesdive
Diver 1000M Professional Diving
- $170 recorded MSRP, $55 lower
- 45 mm case, 5 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Addiesdive
Retro Sub 39mm
- $165 recorded MSRP, $60 lower
- 39 mm case, 1 mm narrower
- Both use automatic movements
What changes
Dimensions alone do not establish wrist fit.
Cronos
Sub Diver No Date (L6009)
- 44 mm case, 4 mm wider
- Both use automatic movements
What changes
Compare models $298 recorded MSRP, $73 higher
Pagani Design
PD-1839
- $210 recorded MSRP, $15 lower
- 43 mm case, 3 mm wider
- Both use automatic movements
What changes
Lug-to-lug is not recorded for this match.
Pagani Design
PD-YS034
- 42 mm case, 2 mm wider
- Both use automatic movements
What changes
$237 recorded MSRP, $12 higher
Pagani Design
PD-1694
- $171 recorded MSRP, $54 lower
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
San Martin
GR5 Titanium Modern Sub Dive
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models $359 recorded MSRP, $134 higher
San Martin
Sub Diver SN017
- $161 recorded MSRP, $64 lower
- 40.5 mm case, 0.5 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
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