Spinnaker
Tesei Titanium
- Same 42 mm case diameter
- 50 mm lug-to-lug, 5.8 mm longer
- Same Seiko NH35 caliber
What changes
Compare models $625 recorded MSRP, $350 higher
Watch alternatives
Alternatives to the Borealis Watch Co. Caloura 300m
Keep what you like. Explore what could be different. Compare 37 catalog matches by dimensions, movement and price.
- Case diameter
- 42 mm
- Lug-to-lug
- 44.2 mm
- Movement
- Automatic
- Catalog MSRP
- $275
The starting pointStarting points
Choose the differences that matter to you.
Closest catalog matchSpinnaker Tesei TitaniumSame 42 mm case diameterSee the match Lower recorded MSRPAigi Watches BARENTS SEA AUTOMATIC round dive watch 43mm, applied markers + date + dive bezel$180 recorded MSRP, $95 lowerSee the match Shorter lug-to-lugTissot Seastar 100043 mm lug-to-lug, 1.2 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.
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ColorwayPick a colorway to match a specific dial
37 matches
Microbrand picks· 12
Discover smaller makers with catalog similarities to this watch.
Spinnaker
Hass Automatic
- 43 mm case, 1 mm wider
- 50 mm lug-to-lug, 5.8 mm longer
- Same Seiko NH35 caliber
What changes
Compare models 2.6 mm thicker case. $500 recorded MSRP, $225 higher
Spinnaker
Hull Diver
- Same 42 mm case diameter
- 47.5 mm lug-to-lug, 3.3 mm longer
- Same Seiko NH35 caliber
What changes
Compare models 1.1 mm thicker case. $356 recorded MSRP, $81 higher
HELM
Vanuatu
- Same 42 mm case diameter
- 50 mm lug-to-lug, 5.8 mm longer
- Same Seiko NH35 caliber
What changes
Compare models $285 recorded MSRP, $10 higher
Zelos
Swordfish 3
- Same 42 mm case diameter
- Same Seiko NH35 caliber
What changes
Compare models $399 recorded MSRP, $124 higher
Aigi Watches
BARENTS SEA AUTOMATIC round dive watch 43mm, applied markers + date + dive bezel
- $180 recorded MSRP, $95 lower
- 43 mm case, 1 mm wider
- 49 mm lug-to-lug, 4.8 mm longer
What changes
Compare models 2.9 mm thinner case
Zelos
Horizons 43mm SS Forged Carbon
- 43 mm case, 1 mm wider
- 49 mm lug-to-lug, 4.8 mm longer
- Same Seiko NH35 caliber
What changes
Compare models 0.9 mm thinner case. $499 recorded MSRP, $224 higher
Zelos
Hammerhead V3 300m Titanium
- 44 mm case, 2 mm wider
- Same Seiko NH35 caliber
What changes
Compare models 0.9 mm thinner case. $529 recorded MSRP, $254 higher
Aigi Watches
NORTHERN LIGHTS AUTOMATIC
- 43 mm case, 1 mm wider
- 49 mm lug-to-lug, 4.8 mm longer
- Same Seiko NH35 caliber
What changes
Compare models 2.9 mm thinner case. $443 recorded MSRP, $168 higher
Audaz
Reef Diver
- 45 mm case, 3 mm wider
- 53 mm lug-to-lug, 8.8 mm longer
- Same Seiko NH35 caliber
What changes
Compare models 1.6 mm thicker case. $420 recorded MSRP, $145 higher
MMI Watches
Turret 300M - Model: TR1-DV (STEEL BLACK)
- 40 mm case, 2 mm narrower
- 47 mm lug-to-lug, 2.8 mm longer
- Same Seiko NH35 caliber
What changes
Compare models $425 recorded MSRP, $150 higher
Serket Watch Co
Reef X Diver
- 43 mm case, 1 mm wider
- 50 mm lug-to-lug, 5.8 mm longer
- Same Seiko NH35 caliber
What changes
Compare models 1.2 mm thinner case. $499 recorded MSRP, $224 higher
Mainstream picks· 12
Established-brand matches. Compare the recorded dimensions, movement and price for each watch.
Invicta
Pro Diver 5053OBXL
- 43 mm case, 1 mm wider
- Same Seiko NH35 caliber
What changes
Compare models Lug-to-lug is not recorded for this match.
Seiko
Prospex Sea
- 43.8 mm case, 1.8 mm wider
- Both use automatic movements
What changes
Compare models 0.5 mm thinner case. $550 recorded MSRP, $275 higher
Invicta
Pro Diver 29176
- Same 42 mm case diameter
- Same Seiko NH35 caliber
What changes
Compare models Lug-to-lug is not recorded for this match.
Invicta
Pro Diver 5053
- 40 mm case, 2 mm narrower
- Same Seiko NH35 caliber
What changes
Compare models Lug-to-lug is not recorded for this match.
Orient
Diver Watch
- 41.5 mm case, 0.5 mm narrower
- 47 mm lug-to-lug, 2.8 mm longer
- Both use automatic movements
What changes
Compare models 0.9 mm thinner case. $310 recorded MSRP, $35 higher
Orient
AC0Q-40 Diver Watch
- 39.9 mm case, 2.1 mm narrower
- 46.5 mm lug-to-lug, 2.3 mm longer
- Both use automatic movements
What changes
Compare models 1.1 mm thinner case. $370 recorded MSRP, $95 higher
Seiko
5KX
- 42.5 mm case, 0.5 mm wider
- 46 mm lug-to-lug, 1.8 mm longer
- Both use automatic movements
What changes
Compare models 0.5 mm thinner case. $350 recorded MSRP, $75 higher
Orient
75th Anniversary RA-TX0210L10B
- 42.8 mm case, 0.8 mm wider
- 48.1 mm lug-to-lug, 3.9 mm longer
- Both use automatic movements
What changes
Compare models 0.8 mm thinner case. $375 recorded MSRP, $100 higher
Seiko
Monster
- 42.4 mm case, 0.4 mm wider
- 49.4 mm lug-to-lug, 5.2 mm longer
- Both use automatic movements
What changes
Compare models 0.5 mm thinner case. $550 recorded MSRP, $275 higher
Timex
Expedition Pioneer Titanium Automatic 41mm HNBR Synthetic Rubber Strap Watch
- 41 mm case, 1 mm narrower
- 48 mm lug-to-lug, 3.8 mm longer
- Same Seiko NH35 caliber
What changes
Compare models $479 recorded MSRP, $204 higher
Glycine
Men's Combat Sub 42mm Automatic Watch GL0091
- Same 42 mm case diameter
- Both use automatic movements
What changes
Compare models 2.9 mm thinner case. $540 recorded MSRP, $265 higher
Citizen
Promaster Diver Automatic
- 44 mm case, 2 mm wider
- Both use automatic movements
What changes
Compare models $469 recorded MSRP, $194 higher
Cheaper alternatives· 1
Matches in a lower price band. A recorded MSRP difference is shown only when both prices are known.
Casio
Edifice EFK-100D
- 39 mm case, 3 mm narrower
- 43.5 mm lug-to-lug, 0.7 mm shorter
- Both use automatic movements
What changes
1.4 mm thinner case
Pricier alternatives· 12
Matches in a higher price band. Check the specifications to decide whether the differences matter to you.
Tissot
Seastar 1000
- 43 mm case, 1 mm wider
- 43 mm lug-to-lug, 1.2 mm shorter
- Both use automatic movements
What changes
Compare models 1.2 mm thinner case. $925 recorded MSRP, $650 higher
Seiko
Prospex Sea 1968 Heritage Diver's GMT
- Same 42 mm case diameter
- 48.6 mm lug-to-lug, 4.4 mm longer
- Both use automatic movements
What changes
Compare models 1 mm thinner case. $1,500 recorded MSRP, $1,225 higher
Seiko
62MAS
- 40.5 mm case, 1.5 mm narrower
- 47.6 mm lug-to-lug, 3.4 mm longer
- Both use automatic movements
What changes
Compare models 0.7 mm thinner case. $1,200 recorded MSRP, $925 higher
Seiko
Prospex Sea
- 41.3 mm case, 0.7 mm narrower
- 48.2 mm lug-to-lug, 4 mm longer
- Both use automatic movements
What changes
Compare models 1.4 mm thinner case. $1,100 recorded MSRP, $825 higher
Glycine
Combat Sub Sport
- Same 42 mm case diameter
- Both use automatic movements
What changes
Compare models 3.5 mm thinner case. $995 recorded MSRP, $720 higher
Orient
Sports Diver
- 43.6 mm case, 1.6 mm wider
- 51 mm lug-to-lug, 6.8 mm longer
- Both use automatic movements
What changes
Compare models $700 recorded MSRP, $425 higher
Christopher Ward
C60 Trident Reef
- 41 mm case, 1 mm narrower
- 47.9 mm lug-to-lug, 3.7 mm longer
- Both use automatic movements
What changes
Compare models 2.5 mm thinner case. $1,220 recorded MSRP, $945 higher
Christopher Ward
C60 Lympstone
- Same 42 mm case diameter
- 49.3 mm lug-to-lug, 5.1 mm longer
- Both use automatic movements
What changes
Compare models $1,615 recorded MSRP, $1,340 higher
Glycine
Combat Sub
- Same 42 mm case diameter
- Both use automatic movements
What changes
Compare models 3.5 mm thinner case. $1,530 recorded MSRP, $1,255 higher
Christopher Ward
C60 Sapphire Edge
- Same 42 mm case diameter
- 49.3 mm lug-to-lug, 5.1 mm longer
- Both use automatic movements
What changes
Compare models 3.2 mm thinner case. $1,640 recorded MSRP, $1,365 higher
Hamilton
Khaki Navy Scuba Auto
- 43 mm case, 1 mm wider
- Both use automatic movements
What changes
Compare models 1.3 mm thinner case. $1,225 recorded MSRP, $950 higher
DOXA
SUB 300
- 42.5 mm case, 0.5 mm wider
- Both use automatic movements
What changes
Compare models $2,890 recorded MSRP, $2,615 higher
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