Circula Watches
AquaSport II
- Same 40 mm case diameter
- Same Sellita SW200-1 caliber
What changes
Compare models 0.4 mm thinner case. $940 recorded MSRP, $560 higher
Watch alternatives
Alternatives to the Ergon Watches Maelstrom
Keep what you like. Explore what could be different. Compare 56 catalog matches by dimensions, movement and price.
- Case diameter
- 40 mm
- Lug-to-lug
- Not recorded
- Movement
- Automatic
- Catalog MSRP
- $380
The starting pointStarting points
Choose the differences that matter to you.
Closest catalog matchGlycine Combat Sub Sport Bronze GL032542 mm case, 2 mm widerSee the match Lower recorded MSRPAddiesdive Bi-directional Rotating Bezel AD2072$70 recorded MSRP, $310 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
56 matches
Microbrand picks· 12
Discover smaller makers with catalog similarities to this watch.
Venezianico
Nereide Bronzo
- 42 mm case, 2 mm wider
- Same Sellita SW200-1 caliber
What changes
Compare models 0.5 mm thinner case. $1,268 recorded MSRP, $888 higher
LIV Watches
NEW! GX-Diver's 44mm Fusion Rose Cobalt
- 41 mm case, 1 mm wider
- Same Sellita SW200-1 caliber
What changes
Compare models $1,050 recorded MSRP, $670 higher
Eza
Sealander
- 41 mm case, 1 mm wider
- Same Sellita SW200-1 caliber
What changes
Compare models 1.2 mm thicker case. $1,066 recorded MSRP, $686 higher
LIV Watches
GX-Diver's
- 41 mm case, 1 mm wider
- Same Sellita SW200-1 caliber
What changes
Compare models $1,050 recorded MSRP, $670 higher
Oceaneva
Deep Marine Explorer II 1250M Black IP
- 42 mm case, 2 mm wider
- Same Sellita SW200-1 caliber
What changes
Compare models 1.3 mm thicker case. $999 recorded MSRP, $619 higher
Ventus Watches
Mori
- $349 recorded MSRP, $31 lower
- 41 mm case, 1 mm wider
- Both use automatic movements
What changes
Compare models 1 mm thicker case
Akrone
C-02 KLUB
- 41 mm case, 1 mm wider
- Same Sellita SW200-1 caliber
What changes
1.5 mm thinner case. $583 recorded MSRP, $203 higher
Circula Watches
SuperSport
- Same 40 mm case diameter
- Same Sellita SW200-1 caliber
What changes
Compare models 1 mm thinner case
Oceaneva
Deep Marine Explorer 1000M Pro Diver
- 42 mm case, 2 mm wider
- Same Sellita SW200-1 caliber
What changes
Compare models 1.8 mm thicker case. $999 recorded MSRP, $619 higher
Spinnaker
Tesei Bronze Swiss
- 43 mm case, 3 mm wider
- Same Sellita SW200-1 caliber
What changes
Compare models 3 mm thicker case. $850 recorded MSRP, $470 higher
ZRC 1904
DIVER300 -METAL
- 39 mm case, 1 mm narrower
- Same Sellita SW200-1 caliber
What changes
Compare models 0.4 mm thicker case. $3,290 recorded MSRP, $2,910 higher
Mainstream picks· 12
Established-brand matches. Compare the recorded dimensions, movement and price for each watch.
Glycine
Combat Sub Sport Bronze GL0325
- 42 mm case, 2 mm wider
- Same Sellita SW200-1 caliber
What changes
Compare models $615 recorded MSRP, $235 higher
Glycine
Combat Sub Bronze GL0517
- 39 mm case, 1 mm narrower
- Same Sellita SW200-1 caliber
What changes
Compare models 1.8 mm thinner case. $615 recorded MSRP, $235 higher
Glycine
Combat Sub Sport Bronze GL0322
- 42 mm case, 2 mm wider
- Same Sellita SW200-1 caliber
What changes
Compare models $585 recorded MSRP, $205 higher
Stowa
Prodiver Vintage 95 Limited
- 42 mm case, 2 mm wider
- Same Sellita SW200-1 caliber
What changes
Compare models 2.6 mm thicker case
Invicta
Pro Diver 23678
- 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.
Invicta
Pro Diver 8927OB
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Orient
Diver Design 40
- $370 recorded MSRP, $10 lower
- 39.9 mm case, 0.1 mm narrower
- Both use automatic movements
What changes
Compare models 0.2 mm thinner case
Stowa
Prodiver
- 42 mm case, 2 mm wider
- Same Sellita SW200-1 caliber
What changes
Compare models 2.6 mm thicker case
Timex
Deepwater Reef 200
- 41 mm case, 1 mm wider
- Both use automatic movements
What changes
Compare models $689 recorded MSRP, $309 higher
Bulova
Vintage Sea Hunter
- 39 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models $395 recorded MSRP, $15 higher
Timex
Deepwater Reef 200 Titanium
- 41 mm case, 1 mm wider
- Both use automatic movements
What changes
Compare models $559 recorded MSRP, $179 higher
Cheaper alternatives· 8
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, 1 mm narrower
- Both use automatic movements
What changes
0.5 mm thinner case
Swatch
Sistem Sea
- $170 recorded MSRP, $210 lower
- 42 mm case, 2 mm wider
- Both use automatic movements
What changes
0.9 mm thicker case
Swatch
Sistem51 Hodinkee Generation
- $170 recorded MSRP, $210 lower
- 42 mm case, 2 mm wider
- Both use automatic movements
What changes
0.9 mm thicker case
Swatch
The Swatch Sistem51 Hodinkee Summer Ed
- $170 recorded MSRP, $210 lower
- 42 mm case, 2 mm wider
- Both use automatic movements
What changes
0.9 mm thicker case
Orient
FNR1Q002W0
- $165 recorded MSRP, $215 lower
- 36 mm case, 4 mm narrower
- Both use automatic movements
What changes
0.5 mm thinner case
Orient
FNR1Q003W0
- $155 recorded MSRP, $225 lower
- 36 mm case, 4 mm narrower
- Both use automatic movements
What changes
0.5 mm thinner case
Seiko
Conceptual SNK807K2
- $115 recorded MSRP, $265 lower
- 37 mm case, 3 mm narrower
- Both use automatic movements
What changes
2 mm thinner case
Seiko
Conceptual SNXS79K1
- $133 recorded MSRP, $247 lower
- 37 mm case, 3 mm narrower
- Both use automatic movements
What changes
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.
Glycine
Combat Sub Vintage Bronze GL0265
- 42 mm case, 2 mm wider
- Same Sellita SW200-1 caliber
What changes
Compare models $1,650 recorded MSRP, $1,270 higher
Glycine
Combat Sub Bronze
- 42 mm case, 2 mm wider
- Same Sellita SW200-1 caliber
What changes
Compare models 2.4 mm thinner case. $1,650 recorded MSRP, $1,270 higher
Glycine
Combat Sub Box Ceramic
- 41 mm case, 1 mm wider
- Same Sellita SW200-1 caliber
What changes
Compare models 0.3 mm thinner case. $1,750 recorded MSRP, $1,370 higher
Movado
Series 800 Automatic
- Same 40 mm case diameter
- Same Sellita SW200-1 caliber
What changes
Compare models $1,995 recorded MSRP, $1,615 higher
Christopher Ward
C60 Pro 300 Vintage
- 42 mm case, 2 mm wider
- Same Sellita SW200-1 caliber
What changes
Compare models 1.5 mm thinner case. $1,550 recorded MSRP, $1,170 higher
Marathon
GSAR (Government Search & Rescue) Diver's Automatic
- 41 mm case, 1 mm wider
- Same Sellita SW200-1 caliber
What changes
Compare models 1 mm thicker case. $2,500 recorded MSRP, $2,120 higher
Massena LAB
Unimatic U4S-T-SPW
- Same 40 mm case diameter
- Same Sellita SW200-1 caliber
What changes
Compare models 0.3 mm thicker case. $2,495 recorded MSRP, $2,115 higher
Bremont
Supermarine 300M
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models 1 mm thinner case. $4,450 recorded MSRP, $4,070 higher
Marathon
Jeep Rubicon GSAR
- 41 mm case, 1 mm wider
- Same Sellita SW200-1 caliber
What changes
Compare models 1 mm thicker case. $2,100 recorded MSRP, $1,720 higher
Movado
Heritage Calendoplan S
- Same 40 mm case diameter
- Same Sellita SW200-1 caliber
What changes
$907 recorded MSRP, $527 higher
Breitling
Superocean Automatic
- 42 mm case, 2 mm wider
- Both use automatic movements
What changes
Compare models 0.4 mm thinner case. $8,300 recorded MSRP, $7,920 higher
Sinn
T50 Goldbronze B
- 41 mm case, 1 mm wider
- Both use automatic movements
What changes
Compare models 0.7 mm thinner case. $5,378 recorded MSRP, $4,998 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.
Addiesdive
Bi-directional Rotating Bezel AD2072
- $70 recorded MSRP, $310 lower
- 39 mm case, 1 mm narrower
What changes
Quartz movement instead of automatic. 1 mm thinner case
Addiesdive
Diver Scuba
- $145 recorded MSRP, $235 lower
- Same 40 mm case diameter
- Both use automatic movements
What changes
Dimensions alone do not establish wrist fit.
Addiesdive
Retro Baton Hand Sub Diver
- $150 recorded MSRP, $230 lower
- 42.6 mm case, 2.6 mm wider
- Both use automatic movements
What changes
Compare models 0.2 mm thicker case
Baltany
Retro Diving 200m Water Ghost S3024
- 42 mm case, 2 mm wider
What changes
Compare models Lug-to-lug is not recorded for this match.
Cronos
BB54 Vintage Diver 39mm
- $255 recorded MSRP, $125 lower
- 39 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models 1.7 mm thinner case
Cronos
Snowflake BB39 Jubilee (L6025)
- $198 recorded MSRP, $182 lower
- 39 mm case, 1 mm narrower
- Both use automatic movements
What changes
0.9 mm thinner case
Cronos
Snowflake BB39 Jubilee (L6026)
- $228 recorded MSRP, $152 lower
- 39 mm case, 1 mm narrower
- Same Sellita SW200-1 caliber
What changes
0.9 mm thinner case
Pagani Design
PD-1755
- $180 recorded MSRP, $200 lower
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models 1 mm thicker case
Pagani Design
PD-1818
- $185 recorded MSRP, $195 lower
- 42 mm case, 2 mm wider
- Both use automatic movements
What changes
Compare models 1.5 mm thicker case
San Martin
BB36 Explore 36mm
- $346 recorded MSRP, $34 lower
- 37 mm case, 3 mm narrower
- Both use automatic movements
What changes
1.7 mm thinner case
San Martin
BB58 NH35 Automatic
- $158 recorded MSRP, $222 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
2025 Upgraded 40mm Diver SN0118G-B
- $278 recorded MSRP, $102 lower
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
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