Synchron
Sealab Ti300M
- Same 41 mm case diameter
- Same La Joux-Perret G100 caliber
What changes
Compare models MSRP is not recorded for this match.
Watch alternatives
Alternatives to the Synchron Ti300M Poseidon Deep Black
Keep what you like. Explore what could be different. Compare 47 catalog matches by dimensions, movement and price.
- Case diameter
- 41 mm
- Lug-to-lug
- 45 mm
- Movement
- Automatic
- Catalog MSRP
- $1,490
The starting pointStarting points
Choose the differences that matter to you.
Closest catalog matchSynchron Sealab Ti300MSame 41 mm case diameterSee the match Lower recorded MSRPMéraud Bonaire$925 recorded MSRP, $565 lowerSee the match Shorter lug-to-lugTissot Seastar 100040 mm lug-to-lug, 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.
47 matches
Microbrand picks· 12
Discover smaller makers with catalog similarities to this watch.
Méraud
Bonaire
- $925 recorded MSRP, $565 lower
- 40 mm case, 1 mm narrower
- 48.6 mm lug-to-lug, 3.6 mm longer
What changes
Compare models 0.3 mm thicker case
Synchron
Poseidon Ice Diver
- $1,290 recorded MSRP, $200 lower
- 42 mm case, 1 mm wider
- Same La Joux-Perret G100 caliber
What changes
Compare models 0.6 mm thicker case
Synchron
Poseidon
- $1,390 recorded MSRP, $100 lower
- Same 41 mm case diameter
- Same La Joux-Perret G100 caliber
What changes
Compare models Dimensions alone do not establish wrist fit.
BOLDR Supply Co.
Odyssey Orca
- $699 recorded MSRP, $791 lower
- 40 mm case, 1 mm narrower
- 48 mm lug-to-lug, 3 mm longer
What changes
Compare models 0.6 mm thicker case
BOLDR Supply Co.
Odyssey
- $699 recorded MSRP, $791 lower
- 40 mm case, 1 mm narrower
- 48 mm lug-to-lug, 3 mm longer
What changes
Compare models 0.6 mm thicker case
Sangin Instruments
Atlas III
- $949 recorded MSRP, $541 lower
- 42 mm case, 1 mm wider
- Same La Joux-Perret G100 caliber
What changes
Compare models Lug-to-lug is not recorded for this match.
Zelos
Spearfish 3
- $799 recorded MSRP, $691 lower
- 40 mm case, 1 mm narrower
- Same La Joux-Perret G100 caliber
What changes
Compare models 0.4 mm thinner case
Squale
1521 Classic COSC
- 42 mm case, 1 mm wider
- 48 mm lug-to-lug, 3 mm longer
- Both use automatic movements
What changes
Compare models 0.6 mm thicker case. $1,965 recorded MSRP, $475 higher
Astor + Banks
Sea Ranger M2
- $1,299 recorded MSRP, $191 lower
- 40 mm case, 1 mm narrower
- 45.5 mm lug-to-lug, 0.5 mm longer
What changes
Compare models 0.6 mm thicker case
Oceaneva
GMT Titanium Automatic Deep Marine Explorer 1250M
- $749 recorded MSRP, $741 lower
- 42 mm case, 1 mm wider
- Both use automatic movements
What changes
Compare models 3.9 mm thicker case
Oceaneva
Deep Marine Explorer II Titanium 1250m
- $449 recorded MSRP, $1,041 lower
- 42 mm case, 1 mm wider
- Both use automatic movements
What changes
Compare models 2.4 mm thicker case
Mainstream picks· 12
Established-brand matches. Compare the recorded dimensions, movement and price for each watch.
Tissot
Seastar 1000
- $895 recorded MSRP, $595 lower
- 40 mm case, 1 mm narrower
- 40 mm lug-to-lug, 5 mm shorter
What changes
Compare models 0.6 mm thicker case
Longines
Legend Diver 42
- 42 mm case, 1 mm wider
- 52.6 mm lug-to-lug, 7.6 mm longer
- Both use automatic movements
What changes
Compare models 0.8 mm thicker case. $2,850 recorded MSRP, $1,360 higher
DOXA
SUB 300 Beta
- 42.5 mm case, 1.5 mm wider
- Both use automatic movements
What changes
Compare models $2,490 recorded MSRP, $1,000 higher
Marathon
GSAR (Government Search & Rescue) Diver's Automatic
- Same 41 mm case diameter
- 48 mm lug-to-lug, 3 mm longer
- Both use automatic movements
What changes
Compare models 2.1 mm thicker case. $2,500 recorded MSRP, $1,010 higher
Seiko
Captain Willard
- $1,300 recorded MSRP, $190 lower
- 42.7 mm case, 1.7 mm wider
- 46.6 mm lug-to-lug, 1.6 mm longer
What changes
Compare models 1.3 mm thicker case
Seiko
Prospex Sea
- $1,100 recorded MSRP, $390 lower
- 41.3 mm case, 0.3 mm wider
- 48.2 mm lug-to-lug, 3.2 mm longer
What changes
Compare models 0.6 mm thicker case
Seiko
Prospex Sea 1968 Heritage Diver's GMT Limited Edition
- 42 mm case, 1 mm wider
- 48.6 mm lug-to-lug, 3.6 mm longer
- Both use automatic movements
What changes
Compare models 1.4 mm thicker case. $1,750 recorded MSRP, $260 higher
Christopher Ward
C60 Trident Reef
- $995 recorded MSRP, $495 lower
- Same 41 mm case diameter
- 47.9 mm lug-to-lug, 2.9 mm longer
What changes
Compare models 0.5 mm thinner case
Glycine
Combat Sub Vintage
- 42 mm case, 1 mm wider
- Both use automatic movements
What changes
Compare models 0.6 mm thicker case. $1,530 recorded MSRP, $40 higher
Yema
Navygraf CMM.10
- 39 mm case, 2 mm narrower
- 46 mm lug-to-lug, 1 mm longer
- Both use automatic movements
What changes
Compare models 0.9 mm thinner case. $1,899 recorded MSRP, $409 higher
Christopher Ward
C60 Trident Pro 300
- $1,095 recorded MSRP, $395 lower
- 40 mm case, 1 mm narrower
- 47.5 mm lug-to-lug, 2.5 mm longer
What changes
Compare models 0.6 mm thinner case
Marathon
Jeep Rubicon GSAR
- Same 41 mm case diameter
- 48 mm lug-to-lug, 3 mm longer
- Both use automatic movements
What changes
Compare models 2.1 mm thicker case. $2,100 recorded MSRP, $610 higher
Cheaper alternatives· 11
Matches in a lower price band. A recorded MSRP difference is shown only when both prices are known.
Glycine
Combat Sub Sport
- $540 recorded MSRP, $950 lower
- 39 mm case, 2 mm narrower
- Both use automatic movements
What changes
Compare models 0.7 mm thinner case
Glycine
Combat Sub
- $515 recorded MSRP, $975 lower
- 42 mm case, 1 mm wider
- Both use automatic movements
What changes
Compare models 1.3 mm thinner case
Glycine
Combat Sub Vintage GL0269
- $515 recorded MSRP, $975 lower
- 42 mm case, 1 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Orient
Mako-3 AA08 Diver
- $375 recorded MSRP, $1,115 lower
- 41.8 mm case, 0.8 mm wider
- 46.8 mm lug-to-lug, 1.8 mm longer
What changes
Compare models 0.9 mm thicker case
Invicta
Pro Diver 47720
- 40 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Invicta
Pro Diver 8926T-TF
- 40 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Invicta
Pro Diver 8927OB
- 40 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Seiko
Prospex Sea
- $625 recorded MSRP, $865 lower
- 43.8 mm case, 2.8 mm wider
- 48.7 mm lug-to-lug, 3.7 mm longer
What changes
Compare models 0.9 mm thicker case
Seiko
Prospex Sea
- $575 recorded MSRP, $915 lower
- 41.7 mm case, 0.7 mm wider
- 49.5 mm lug-to-lug, 4.5 mm longer
What changes
Compare models 0.4 mm thicker case
Timex
Expedition Pioneer Titanium HNBR
- $479 recorded MSRP, $1,011 lower
- Same 41 mm case diameter
- 48 mm lug-to-lug, 3 mm longer
What changes
Compare models Dimensions alone do not establish wrist fit.
Bulova
Vintage Sea Hunter
- $395 recorded MSRP, $1,095 lower
- 39 mm case, 2 mm narrower
- 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.
Fortis
Novonaut N-42
- 42 mm case, 1 mm wider
- Both use automatic movements
What changes
2.7 mm thicker case. $6,150 recorded MSRP, $4,660 higher
Omega
Seamaster Spectre Edition
- 42 mm case, 1 mm wider
- 50 mm lug-to-lug, 5 mm longer
- Both use automatic movements
What changes
Compare models 2.3 mm thicker case. $8,600 recorded MSRP, $7,110 higher
Omega
Seamaster Spectre Limited Edition 210.30.42.20.01.029
- 42 mm case, 1 mm wider
- 50 mm lug-to-lug, 5 mm longer
- Both use automatic movements
What changes
Compare models 2.3 mm thicker case
Omega
Seamaster James Bond Edition
- 42 mm case, 1 mm wider
- 50 mm lug-to-lug, 5 mm longer
- Both use automatic movements
What changes
Compare models 2.3 mm thicker case. $8,600 recorded MSRP, $7,110 higher
Longines
Legend Diver 42 Black Lacquered
- 42 mm case, 1 mm wider
- 52.6 mm lug-to-lug, 7.6 mm longer
- Both use automatic movements
What changes
Compare models 0.8 mm thicker case. $3,200 recorded MSRP, $1,710 higher
Fortis
Flieger F-41
- Same 41 mm case diameter
- Both use automatic movements
What changes
0.4 mm thinner case. $3,080 recorded MSRP, $1,590 higher
Bremont
S302
- 40 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models 1.1 mm thicker case. $4,400 recorded MSRP, $2,910 higher
Norqain
Adventure Sport 42mm Matterhorn Ultraks
- 42 mm case, 1 mm wider
- 50.2 mm lug-to-lug, 5.2 mm longer
- Both use automatic movements
What changes
Compare models 0.9 mm thicker case. $3,040 recorded MSRP, $1,550 higher
Audemars Piguet
Royal Oak Offshore Diver 42mm
- 42 mm case, 1 mm wider
- Both use automatic movements
What changes
Lug-to-lug is not recorded for this match.
Yema
YEMA x Alain Silberstein Limited Edition
- 40 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models 0.9 mm thinner case. $3,732 recorded MSRP, $2,242 higher
Breitling
Avenger Automatic
- 43 mm case, 2 mm wider
- Both use automatic movements
What changes
Compare models 0.4 mm thicker case. $4,700 recorded MSRP, $3,210 higher
Bremont
Supermarine 300M
- 40 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models $3,550 recorded MSRP, $2,060 higher
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