Zelos
Hammerhead 1000m Diver Black with Ceramic Bezel
- Same 44 mm case diameter
- 49 mm lug-to-lug, 2.5 mm shorter
- Same Seiko NH35 caliber
What changes
Compare models 2.4 mm thinner case. $499 recorded MSRP, $171 higher
Watch alternatives
Alternatives to the STEELDIVE SD1950S
Reference SD1950S
Keep what you like. Explore what could be different. Compare 36 catalog matches by dimensions, movement and price.
- Case diameter
- 44 mm
- Lug-to-lug
- 51.5 mm
- Movement
- Automatic
- Catalog MSRP
- $328
The starting pointStarting points
Choose the differences that matter to you.
Closest catalog matchZelos Hammerhead 1000m Diver Black with Ceramic BezelSame 44 mm case diameterSee the match Lower recorded MSRPSpinnaker Challenger Automatic$289 recorded MSRP, $39 lowerSee the match Shorter lug-to-lugZelos Hammerhead 1000m Diver Blue49 mm lug-to-lug, 2.5 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.
36 matches
Microbrand picks· 12
Discover smaller makers with catalog similarities to this watch.
Zelos
Hammerhead 1000m Diver Blue
- Same 44 mm case diameter
- 49 mm lug-to-lug, 2.5 mm shorter
- Same Seiko NH35 caliber
What changes
Compare models 2.4 mm thinner case. $349 recorded MSRP, $21 higher
Zelos
Hammerhead 1000m Diver
- Same 44 mm case diameter
- 49 mm lug-to-lug, 2.5 mm shorter
- Same Seiko NH35 caliber
What changes
Compare models 2.4 mm thinner case. $649 recorded MSRP, $321 higher
BOLDR Supply Co.
Odyssey Bronze Serpentine
- 45.5 mm case, 1.5 mm wider
- 52 mm lug-to-lug, 0.5 mm longer
- Same Seiko NH35 caliber
What changes
Compare models 3.4 mm thinner case. $649 recorded MSRP, $321 higher
Revelot
R11 Storm
- 42 mm case, 2 mm narrower
- Same Seiko NH35 caliber
What changes
Compare models 6.4 mm thinner case. $390 recorded MSRP, $62 higher
Spinnaker
Piccard
- 45 mm case, 1 mm wider
- 52 mm lug-to-lug, 0.5 mm longer
- Same Seiko NH35 caliber
What changes
Compare models 1.6 mm thicker case. $1,200 recorded MSRP, $872 higher
Makara Watches
Hawksbill Sea Turtle
- Same 44 mm case diameter
- 52 mm lug-to-lug, 0.5 mm longer
- Same Seiko NH35 caliber
What changes
Compare models 2.4 mm thinner case. $395 recorded MSRP, $67 higher
BOLDR Supply Co.
Odyssey Bronze
- 45.5 mm case, 1.5 mm wider
- 52 mm lug-to-lug, 0.5 mm longer
- Same Seiko NH35 caliber
What changes
Compare models 3.4 mm thinner case. $649 recorded MSRP, $321 higher
BOLDR Supply Co.
Odyssey Bronze Aventurine
- 45.5 mm case, 1.5 mm wider
- 52 mm lug-to-lug, 0.5 mm longer
- Same Seiko NH35 caliber
What changes
Compare models 3.4 mm thinner case. $649 recorded MSRP, $321 higher
Spinnaker
Challenger Automatic
- $289 recorded MSRP, $39 lower
- 42 mm case, 2 mm narrower
- 49.5 mm lug-to-lug, 2 mm shorter
What changes
Compare models 0.4 mm thinner case
Spinnaker
Wreck Automatic
- $315 recorded MSRP, $13 lower
- Same 44 mm case diameter
- 50 mm lug-to-lug, 1.5 mm shorter
What changes
Compare models 5.4 mm thinner case
Elliot Brown
Holton Automatic: 101-A10
- 43 mm case, 1 mm narrower
- Same Seiko NH35 caliber
What changes
Compare models 5.4 mm thinner case. $792 recorded MSRP, $464 higher
Mainstream picks· 12
Established-brand matches. Compare the recorded dimensions, movement and price for each watch.
Glycine
Combat Sub Sport Bronze GL0323
- 42 mm case, 2 mm narrower
- Both use automatic movements
What changes
Compare models $585 recorded MSRP, $257 higher
Invicta
Pro Diver 18160
- 47 mm case, 3 mm wider
- Same Seiko NH35 caliber
What changes
Compare models Lug-to-lug is not recorded for this match.
Invicta
Pro Diver 5053OBXL
- 43 mm case, 1 mm narrower
- Same Seiko NH35 caliber
What changes
Compare models Lug-to-lug is not recorded for this match.
Glycine
Combat Sub Bronze GL0425
- 42 mm case, 2 mm narrower
- Both use automatic movements
What changes
Compare models $615 recorded MSRP, $287 higher
Glycine
Combat Sub Sport Bronze GL0322
- 42 mm case, 2 mm narrower
- Both use automatic movements
What changes
Compare models $585 recorded MSRP, $257 higher
Invicta
Pro Diver 36972
- Same 44 mm case diameter
- Same Seiko NH35 caliber
What changes
Compare models Lug-to-lug is not recorded for this match.
Citizen
Promaster Diver Automatic
- Same 44 mm case diameter
- Both use automatic movements
What changes
Compare models $506 recorded MSRP, $178 higher
Orient
Neo Classic Sports LE
- 43.5 mm case, 0.5 mm narrower
- Both use automatic movements
What changes
Compare models 5.5 mm thinner case. $425 recorded MSRP, $97 higher
Seiko
Prospex 1968 Mechanical Divers Modern Design
- Same 44 mm case diameter
- Both use automatic movements
What changes
Compare models 6.3 mm thinner case. $570 recorded MSRP, $242 higher
Orient
RA-AC0K05G00B LE
- 43.4 mm case, 0.6 mm narrower
- 51 mm lug-to-lug, 0.5 mm shorter
- Both use automatic movements
What changes
Compare models 6.6 mm thinner case. $450 recorded MSRP, $122 higher
Seiko
Prospex Sea PADI Special Edition
- 43.8 mm case, 0.2 mm narrower
- 48.7 mm lug-to-lug, 2.8 mm shorter
- Both use automatic movements
What changes
Compare models 6.6 mm thinner case. $625 recorded MSRP, $297 higher
Seiko
Prospex Sea Save the Ocean Special Edition
- 45 mm case, 1 mm wider
- 47.7 mm lug-to-lug, 3.8 mm shorter
- Both use automatic movements
What changes
Compare models 6.3 mm thinner case. $625 recorded MSRP, $297 higher
Pricier alternatives· 12
Matches in a higher price band. Check the specifications to decide whether the differences matter to you.
Glycine
Combat Sub Sport GMT Bronze GL0317
- 42 mm case, 2 mm narrower
- Both use automatic movements
What changes
Compare models $770 recorded MSRP, $442 higher
Glycine
Combat Sub Sport GMT Bronze GL0320
- 42 mm case, 2 mm narrower
- Both use automatic movements
What changes
Compare models $795 recorded MSRP, $467 higher
DOXA
SUB 200 II
- Same 44 mm case diameter
- Both use automatic movements
What changes
Compare models $1,750 recorded MSRP, $1,422 higher
Christopher Ward
C60 Pro 300 Vintage
- 42 mm case, 2 mm narrower
- 49.3 mm lug-to-lug, 2.2 mm shorter
- Both use automatic movements
What changes
Compare models 7.9 mm thinner case. $1,560 recorded MSRP, $1,232 higher
Glycine
Combat Sub Sport GMT Bronze GL0319
- 42 mm case, 2 mm narrower
- Both use automatic movements
What changes
Compare models $795 recorded MSRP, $467 higher
Bremont
S502
- 43 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models 2.9 mm thinner case. $5,100 recorded MSRP, $4,772 higher
DOXA
SUB 300 Beta
- 42.5 mm case, 1.5 mm narrower
- Both use automatic movements
What changes
Compare models $2,490 recorded MSRP, $2,162 higher
Breitling
Superocean Automatic
- Same 44 mm case diameter
- Both use automatic movements
What changes
Compare models 6.8 mm thinner case. $6,800 recorded MSRP, $6,472 higher
Christopher Ward
C60 Pro 300
- 42 mm case, 2 mm narrower
- 49.3 mm lug-to-lug, 2.2 mm shorter
- Both use automatic movements
What changes
Compare models 7.9 mm thinner case. $1,550 recorded MSRP, $1,222 higher
DOXA
Sub 300T Ti
- 42.5 mm case, 1.5 mm narrower
- Both use automatic movements
What changes
Compare models $3,190 recorded MSRP, $2,862 higher
RGM Watches
Model 300 Divers
- 43.5 mm case, 0.5 mm narrower
- Both use automatic movements
What changes
Compare models 2.4 mm thinner case. $4,450 recorded MSRP, $4,122 higher
Movado
SE Diver
- 43 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models $2,695 recorded MSRP, $2,367 higher
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