Ratio
Free Diver Helium-Safe 1000M
- 46 mm case, 1 mm wider
- Same Seiko NH36 caliber
What changes
Compare models 1.7 mm thicker case. $249 recorded MSRP, $121 higher
Watch alternatives
Alternatives to the STEELDIVE SD1972
Reference SD1972
Keep what you like. Explore what could be different. Compare 30 catalog matches by dimensions, movement and price.
- Case diameter
- 45 mm
- Lug-to-lug
- 47.7 mm
- Movement
- Automatic
- Catalog MSRP
- $128
The starting pointStarting points
Choose the differences that matter to you.
Closest catalog matchRatio Free Diver Helium-Safe 1000M46 mm case, 1 mm widerSee the match Shorter lug-to-lugIslander Black Dial Automatic Diver with DLC Case46 mm lug-to-lug, 1.7 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.
30 matches
Microbrand picks· 12
Discover smaller makers with catalog similarities to this watch.
Ratio
FreeDiver 1000M 1068HA96-34VA
- 46 mm case, 1 mm wider
- Same Seiko NH36 caliber
What changes
Compare models 1.7 mm thicker case. $249 recorded MSRP, $121 higher
Ratio
FreeDiver 1068HA90-34VA
- 46 mm case, 1 mm wider
- Same Seiko NH36 caliber
What changes
Compare models 2.1 mm thicker case. $249 recorded MSRP, $121 higher
Swiss Watch Company
SWC Mkii Diver
- 44 mm case, 1 mm narrower
- 48 mm lug-to-lug, 0.3 mm longer
- Both use automatic movements
What changes
Compare models 0.1 mm thinner case. $495 recorded MSRP, $367 higher
Zelos
Hammerhead V3 300m
- 44 mm case, 1 mm narrower
- 48 mm lug-to-lug, 0.3 mm longer
- Both use automatic movements
What changes
Compare models 0.3 mm thinner case. $449 recorded MSRP, $321 higher
Islander
Black Dial Automatic Diver with DLC Case
- 43 mm case, 2 mm narrower
- 46 mm lug-to-lug, 1.7 mm shorter
- Same Seiko NH36 caliber
What changes
Compare models 0.7 mm thicker case. $429 recorded MSRP, $301 higher
Spinnaker
Wreck Automatic
- 44 mm case, 1 mm narrower
- 50 mm lug-to-lug, 2.3 mm longer
- Both use automatic movements
What changes
Compare models 0.7 mm thicker case. $189 recorded MSRP, $61 higher
Islander
Automatic Diver #ISL-18
- 43 mm case, 2 mm narrower
- 46 mm lug-to-lug, 1.7 mm shorter
- Same Seiko NH36 caliber
What changes
Compare models 0.7 mm thicker case. $369 recorded MSRP, $241 higher
Zelos
Horizons 43mm
- 43 mm case, 2 mm narrower
- 49 mm lug-to-lug, 1.3 mm longer
- Both use automatic movements
What changes
Compare models 0.3 mm thinner case. $449 recorded MSRP, $321 higher
Seagull
Ocean Series Pro 300m Waterproof Diving 44mm
- 44 mm case, 1 mm narrower
- 51 mm lug-to-lug, 3.3 mm longer
- Both use automatic movements
What changes
Compare models 0.2 mm thicker case. $633 recorded MSRP, $505 higher
Zelos
Great White V2 300m 'Blood Moon' Meteorite
- 43 mm case, 2 mm narrower
- 50 mm lug-to-lug, 2.3 mm longer
- Both use automatic movements
What changes
Compare models 1.3 mm thinner case. $629 recorded MSRP, $501 higher
Islander
Luminous Dial Automatic Diver
- 42 mm case, 3 mm narrower
- 48 mm lug-to-lug, 0.3 mm longer
- Same Seiko NH36 caliber
What changes
Compare models 0.7 mm thicker case. $319 recorded MSRP, $191 higher
Mainstream picks· 6
Established-brand matches. Compare the recorded dimensions, movement and price for each watch.
Glycine
Combat
- 40 mm case, 5 mm narrower
- Both use automatic movements
What changes
Compare models 2.2 mm thinner case. $240 recorded MSRP, $112 higher
Seiko
SCVE053
- 42 mm case, 3 mm narrower
- 51.5 mm lug-to-lug, 3.8 mm longer
- Both use automatic movements
What changes
1.7 mm thinner case. $207 recorded MSRP, $79 higher
Seiko
SNKP21J1
- 42 mm case, 3 mm narrower
- Both use automatic movements
What changes
$191 recorded MSRP, $63 higher
Orient
Sport Watch
- 41.9 mm case, 3.1 mm narrower
- 48 mm lug-to-lug, 0.3 mm longer
- Both use automatic movements
What changes
1.3 mm thinner case. $245 recorded MSRP, $117 higher
Seiko
Conceptual SNXS79K1
- 37 mm case, 8 mm narrower
- Both use automatic movements
What changes
$133 recorded MSRP, $5 higher
Swatch
Sistem Meche
- 42 mm case, 3 mm narrower
- 50.6 mm lug-to-lug, 2.9 mm longer
- Both use automatic movements
What changes
0.5 mm thicker case. $250 recorded MSRP, $122 higher
Pricier alternatives· 12
Matches in a higher price band. Check the specifications to decide whether the differences matter to you.
Seiko
King Turtle
- Same 45 mm case diameter
- Both use automatic movements
What changes
Compare models 0.1 mm thinner case. $650 recorded MSRP, $522 higher
Orient
RA-AC0K Diver
- 43.4 mm case, 1.6 mm narrower
- 51 mm lug-to-lug, 3.3 mm longer
- Both use automatic movements
What changes
Compare models 0.5 mm thinner case. $455 recorded MSRP, $327 higher
Tissot
Seastar 2000 Professional 44mm
- 44 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models 2 mm thicker case. $931 recorded MSRP, $803 higher
Marathon
Arctic OSAR 46mm Automatic
- 46 mm case, 1 mm wider
- Both use automatic movements
What changes
Compare models 0.3 mm thinner case. $2,500 recorded MSRP, $2,372 higher
Marathon
OSAR-D (Original SAR with Date) Automatic 46mm
- 46 mm case, 1 mm wider
- Both use automatic movements
What changes
Compare models 0.3 mm thinner case. $2,500 recorded MSRP, $2,372 higher
Invicta
Pro Diver 18160
- 47 mm case, 2 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Orient
M-Force AC0L
- Same 45 mm case diameter
- 52 mm lug-to-lug, 4.3 mm longer
- Both use automatic movements
What changes
Compare models 0.1 mm thinner case. $605 recorded MSRP, $477 higher
Orient
AA08 Diver
- 41.8 mm case, 3.2 mm narrower
- 46.8 mm lug-to-lug, 0.9 mm shorter
- Both use automatic movements
What changes
Compare models 0.5 mm thinner case. $390 recorded MSRP, $262 higher
Seiko
Prospex Sea Save the Ocean Special Edition
- Same 45 mm case diameter
- Both use automatic movements
What changes
Compare models 0.1 mm thinner case. $625 recorded MSRP, $497 higher
Glycine
Combat Sub
- 46 mm case, 1 mm wider
- Both use automatic movements
What changes
Compare models 0.8 mm thinner case. $515 recorded MSRP, $387 higher
Invicta
Pro Diver 3044
- 47 mm case, 2 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Seiko
Prospex 1968 Mechanical Divers Modern Design
- 44 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models 0.2 mm thinner case. $570 recorded MSRP, $442 higher
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