Spinnaker
Hull Diver
- 42 mm case, 13.7 mm narrower
- Same Seiko NH35 caliber
What changes
Compare models 0.2 mm thinner case. $445 recorded MSRP, $106 higher
Watch alternatives
Alternatives to the STEELDIVE SD1988
Reference SD1988
Keep what you like. Explore what could be different. Compare 38 catalog matches by dimensions, movement and price.
- Case diameter
- 55.7 mm
- Lug-to-lug
- Not recorded
- Movement
- Automatic
- Catalog MSRP
- $339
The starting pointStarting points
Choose the differences that matter to you.
Closest catalog matchSpinnaker Hull Diver42 mm case, 13.7 mm narrowerSee the match Lower recorded MSRPSpinnaker Dumas Automatic$219 recorded MSRP, $120 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.
38 matches
Microbrand picks· 12
Discover smaller makers with catalog similarities to this watch.
Zelos
Hammerhead V3 300m
- 44 mm case, 11.7 mm narrower
- Same Seiko NH35 caliber
What changes
Compare models 2.2 mm thinner case. $449 recorded MSRP, $110 higher
Zelos
Horizons 43mm SS Forged Carbon
- 43 mm case, 12.7 mm narrower
- Same Seiko NH35 caliber
What changes
Compare models 2.2 mm thinner case. $499 recorded MSRP, $160 higher
Zelos
Swordfish 40mm SS 'Space Coral Carbon' Limited Edition
- 40 mm case, 15.7 mm narrower
- Same Seiko NH35 caliber
What changes
Compare models 3.2 mm thinner case. $449 recorded MSRP, $110 higher
MMI Watches
DUMBO 500M Diver 316L NH35 "Steel Bracelet Package" DB1NHS
- 46 mm case, 9.7 mm narrower
- Same Seiko NH35 caliber
What changes
Compare models 0.6 mm thinner case. $425 recorded MSRP, $86 higher
Spinnaker
Dumas Automatic
- $219 recorded MSRP, $120 lower
- 44 mm case, 11.7 mm narrower
- Same Seiko NH35 caliber
What changes
Compare models 0.2 mm thinner case
MMI Watches
DUMBO 500M Diver DLC 316L NH35 DB8NHS
- 46 mm case, 9.7 mm narrower
- Same Seiko NH35 caliber
What changes
Compare models 0.6 mm thinner case. $445 recorded MSRP, $106 higher
Revelot
Hexmariner 39 Marble Carbon Black
- 39 mm case, 16.7 mm narrower
- Same Seiko NH35 caliber
What changes
Compare models $475 recorded MSRP, $136 higher
Cooper Watches
MWC 24 Jewel 1982 Pattern 300m Military Divers (Date)
- 40 mm case, 15.7 mm narrower
- Same Seiko NH35 caliber
What changes
Compare models 0.2 mm thinner case. $354 recorded MSRP, $15 higher
Vertigo Watches
Diver One V2
- $273 recorded MSRP, $66 lower
- 42 mm case, 13.7 mm narrower
- Same Seiko NH35 caliber
What changes
Compare models 1.2 mm thinner case
Spinnaker
Challenger Automatic
- $259 recorded MSRP, $80 lower
- 42 mm case, 13.7 mm narrower
- Same Seiko NH35 caliber
What changes
Compare models 3.8 mm thicker case
Audaz
ADZ-3050
- 42 mm case, 13.7 mm narrower
- Same Seiko NH35 caliber
What changes
Compare models 0.2 mm thinner case. $550 recorded MSRP, $211 higher
Mainstream picks· 12
Established-brand matches. Compare the recorded dimensions, movement and price for each watch.
Invicta
Pro Diver 18160
- 47 mm case, 8.7 mm narrower
- Same Seiko NH35 caliber
What changes
Compare models Lug-to-lug is not recorded for this match.
Invicta
Pro Diver 3044
- 47 mm case, 8.7 mm narrower
- Same Seiko NH35 caliber
What changes
Compare models Lug-to-lug is not recorded for this match.
Glycine
Combat Sub Sport
- 39 mm case, 16.7 mm narrower
- Both use automatic movements
What changes
Compare models $540 recorded MSRP, $201 higher
Glycine
Combat Sub Sport
- 39 mm case, 16.7 mm narrower
- Both use automatic movements
What changes
Compare models $540 recorded MSRP, $201 higher
Invicta
Pro Diver 0420
- 45 mm case, 10.7 mm narrower
- Same Seiko NH35 caliber
What changes
Compare models Lug-to-lug is not recorded for this match.
Glycine
Combat Sub Sport
- 39 mm case, 16.7 mm narrower
- Both use automatic movements
What changes
Compare models 4 mm thinner case. $540 recorded MSRP, $201 higher
Orient
Diver Design 40
- 39.9 mm case, 15.8 mm narrower
- Both use automatic movements
What changes
Compare models 2.4 mm thinner case. $370 recorded MSRP, $31 higher
Orient
SAA0200AB9
- $330 recorded MSRP, $9 lower
- 48 mm case, 7.7 mm narrower
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Orient
Mako-3 AA08 Diver
- 41.8 mm case, 13.9 mm narrower
- Both use automatic movements
What changes
Compare models 2.4 mm thinner case. $375 recorded MSRP, $36 higher
Seiko
Prospex Sea
- 43.8 mm case, 11.9 mm narrower
- Both use automatic movements
What changes
Compare models 1.8 mm thinner case. $550 recorded MSRP, $211 higher
Seiko
King Turtle
- 45 mm case, 10.7 mm narrower
- Both use automatic movements
What changes
Compare models 2 mm thinner case. $650 recorded MSRP, $311 higher
Stowa
Prodiver
- 42 mm case, 13.7 mm narrower
- Both use automatic movements
What changes
Compare models 0.4 mm thicker case
Cheaper alternatives· 2
Matches in a lower price band. A recorded MSRP difference is shown only when both prices are known.
Seiko
Conceptual SNXS79K1
- $133 recorded MSRP, $206 lower
- 37 mm case, 18.7 mm narrower
- Both use automatic movements
What changes
Lug-to-lug is not recorded for this match.
Orient
FNR1Q002W0
- $165 recorded MSRP, $174 lower
- 36 mm case, 19.7 mm narrower
- Both use automatic movements
What changes
2.7 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 2000 Professional 44mm
- 44 mm case, 11.7 mm narrower
- Both use automatic movements
What changes
Compare models $931 recorded MSRP, $592 higher
Glycine
Combat Sub Box Ceramic 41mm
- 41 mm case, 14.7 mm narrower
- Both use automatic movements
What changes
Compare models $705 recorded MSRP, $366 higher
Glycine
Combat Sub Vintage
- 42 mm case, 13.7 mm narrower
- Both use automatic movements
What changes
Compare models 2.7 mm thinner case. $1,530 recorded MSRP, $1,191 higher
Seiko
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition
- 45.4 mm case, 10.3 mm narrower
- Both use automatic movements
What changes
Compare models 0.8 mm thicker case. $4,600 recorded MSRP, $4,261 higher
Seiko
Prospex Sea 1968 Heritage Diver's GMT Limited Edition
- 42 mm case, 13.7 mm narrower
- Both use automatic movements
What changes
Compare models 1.9 mm thinner case. $1,750 recorded MSRP, $1,411 higher
DOXA
SUB 200 II
- 44 mm case, 11.7 mm narrower
- Both use automatic movements
What changes
Compare models $1,750 recorded MSRP, $1,411 higher
Fortis
Marinemaster M-44
- 44 mm case, 11.7 mm narrower
- Both use automatic movements
What changes
Compare models 1.2 mm thinner case. $5,120 recorded MSRP, $4,781 higher
Glycine
Combat Sub Sport GMT
- 42 mm case, 13.7 mm narrower
- Both use automatic movements
What changes
Compare models $795 recorded MSRP, $456 higher
Yema
Superman Gilt CMM.10
- 39 mm case, 16.7 mm narrower
- Both use automatic movements
What changes
Compare models 3.9 mm thinner case. $1,699 recorded MSRP, $1,360 higher
Marathon
OSAR-D (Original SAR with Date) Automatic 36mm
- 36 mm case, 19.7 mm narrower
- Both use automatic movements
What changes
Compare models 2.2 mm thinner case. $1,200 recorded MSRP, $861 higher
Marathon
OSAR-D (Original SAR with Date) Automatic 41mm
- 41 mm case, 14.7 mm narrower
- Both use automatic movements
What changes
Compare models 2.2 mm thinner case. $1,800 recorded MSRP, $1,461 higher
Christopher Ward
C60 Lympstone
- 42 mm case, 13.7 mm narrower
- Both use automatic movements
What changes
Compare models 1.4 mm thinner case. $1,615 recorded MSRP, $1,276 higher
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