ZRC 1904
MN64 -Metal
- 41.5 mm case, 1.5 mm wider
- Same Sellita SW300-1 caliber
What changes
Compare models $3,290 recorded MSRP, $1,691 higher
Watch alternatives
Alternatives to the Sangin Instruments Neptune
Keep what you like. Explore what could be different. Compare 54 catalog matches by dimensions, movement and price.
- Case diameter
- 40 mm
- Lug-to-lug
- Not recorded
- Movement
- Automatic
- Catalog MSRP
- $1,599
The starting pointStarting points
Choose the differences that matter to you.
Closest catalog matchAddiesdive Sports Outdoor Military Watch Men's Quartz Watch 50 Meters Waterproof$39 recorded MSRP, $1,560 lowerSee the match Lower recorded MSRPAddiesdive Automatic Watch Diver 200M (MY-H9)$129 recorded MSRP, $1,470 lowerSee the match
Calculated from catalog specifications and similarity signals. Prices are recorded MSRP in USD, not current retail offers. Missing measurements stay unknown.
Your priorities
Narrow these matches without leaving the page.
ColorwayPick a colorway to match a specific dial
54 matches
Microbrand picks· 12
Discover smaller makers with catalog similarities to this watch.
ZRC 1904
IRIDIUM -METAL
- 41.5 mm case, 1.5 mm wider
- Same Sellita SW300-1 caliber
What changes
Compare models $3,790 recorded MSRP, $2,191 higher
Formex
Reef 39.5 mm
- 39.5 mm case, 0.5 mm narrower
- Same Sellita SW300-1 caliber
What changes
Compare models $2,414 recorded MSRP, $815 higher
Formex
Reef 42 mm
- 42 mm case, 2 mm wider
- Same Sellita SW300-1 caliber
What changes
Compare models $2,414 recorded MSRP, $815 higher
Geckota
Sea-Hunter Dive Watch
- $758 recorded MSRP, $841 lower
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Henry Archer
Nordsø
- $652 recorded MSRP, $947 lower
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models Dimensions alone do not establish wrist fit.
Aigi Watches
GRUVEBUS
- $1,095 recorded MSRP, $504 lower
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Duxot
Henri Diver Automatic
- $169 recorded MSRP, $1,430 lower
- 41 mm case, 1 mm wider
- Both use automatic movements
What changes
Compare models Dimensions alone do not establish wrist fit.
Duxot
Duxot Dive Watch
- $370 recorded MSRP, $1,229 lower
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Zelos
Spearfish 3
- $749 recorded MSRP, $850 lower
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
ZRC 1904
Z.R.C Grands Fonds Heritage
- 39 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models $3,290 recorded MSRP, $1,691 higher
Geckota
Ocean-Scout Dive Watch
- $570 recorded MSRP, $1,029 lower
- 38.5 mm case, 1.5 mm narrower
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Mainstream picks· 12
Established-brand matches. Compare the recorded dimensions, movement and price for each watch.
Yema
Superman Gilt CMM.10
- 39 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models $1,999 recorded MSRP, $400 higher
Yema
Superman Dato CMM.10
- 39.5 mm case, 0.5 mm narrower
- Both use automatic movements
What changes
Compare models $1,890 recorded MSRP, $291 higher
Seiko
Prospex Sea 1968 Heritage Diver's GMT
- $1,500 recorded MSRP, $99 lower
- 42 mm case, 2 mm wider
- Both use automatic movements
What changes
Compare models Dimensions alone do not establish wrist fit.
Seiko
Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition
- $1,550 recorded MSRP, $49 lower
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models Dimensions alone do not establish wrist fit.
Yema
Superman Steel CMM.10
- 39 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models $1,890 recorded MSRP, $291 higher
Glycine
Combat Sub Sport
- 39 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models $1,650 recorded MSRP, $51 higher
Seiko
Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation
- 39.5 mm case, 0.5 mm narrower
- Both use automatic movements
What changes
Compare models $2,800 recorded MSRP, $1,201 higher
Christopher Ward
C60 Sapphire Edge
- 42 mm case, 2 mm wider
- Same Sellita SW300-1 caliber
What changes
Compare models $1,640 recorded MSRP, $41 higher
Glycine
Men's Combat Sub Sport 39mm Automatic Watch GL0404
- 39 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models $1,650 recorded MSRP, $51 higher
Fortis
Flieger F-41
- 41 mm case, 1 mm wider
- Both use automatic movements
What changes
$2,530 recorded MSRP, $931 higher
Movado
Series 800 Automatic
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models $1,895 recorded MSRP, $296 higher
Tissot
Seastar 1000
- $925 recorded MSRP, $674 lower
- 43 mm case, 3 mm wider
- Both use automatic movements
What changes
Compare models Dimensions alone do not establish wrist fit.
Cheaper alternatives· 12
Matches in a lower price band. A recorded MSRP difference is shown only when both prices are known.
Orient
AC0Q-40 Diver Watch
- $355 recorded MSRP, $1,244 lower
- 39.9 mm case, 0.1 mm narrower
- Both use automatic movements
What changes
Compare models Dimensions alone do not establish wrist fit.
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.
Seiko
Prospex Sea PADI Special Edition
- $650 recorded MSRP, $949 lower
- 41.7 mm case, 1.7 mm wider
- Both use automatic movements
What changes
Compare models Dimensions alone do not establish wrist fit.
Orient
Diver Design 40
- $355 recorded MSRP, $1,244 lower
- 39.9 mm case, 0.1 mm narrower
- Both use automatic movements
What changes
Compare models Dimensions alone do not establish wrist fit.
Glycine
Unisex Combat Sub Bronze 39mm Automatic Watch GL0517
- $615 recorded MSRP, $984 lower
- 39 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Glycine
Men's Combat Sub 42mm Automatic Watch GL0091
- $540 recorded MSRP, $1,059 lower
- 42 mm case, 2 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Seiko
Prospex Sea
- 42 mm case, 2 mm wider
- Both use automatic movements
What changes
Compare models MSRP 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.
Orient
Kamasu
- $375 recorded MSRP, $1,224 lower
- 41.8 mm case, 1.8 mm wider
- Both use automatic movements
What changes
Compare models Dimensions alone do not establish wrist fit.
Seiko
Prospex Sea
- $595 recorded MSRP, $1,004 lower
- 41.7 mm case, 1.7 mm wider
- Both use automatic movements
What changes
Compare models Dimensions alone do not establish wrist fit.
Timex
Deepwater Meridian 200 Automatic GMT 42mm Stainless Steel Bracelet Watch
- $549 recorded MSRP, $1,050 lower
- 42 mm case, 2 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Timex
Deepwater Reef 200 41mm Titanium Automatic Bracelet Watch
- $689 recorded MSRP, $910 lower
- 41 mm case, 1 mm wider
- Both use automatic movements
What changes
Compare models 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.
Bremont
Supermarine 300M
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models $3,550 recorded MSRP, $1,951 higher
Norqain
Adventure 40mm
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models $3,790 recorded MSRP, $2,191 higher
Vertex
M60 AquaLion D
- 39 mm case, 1 mm narrower
- Same Sellita SW300-1 caliber
What changes
Compare models $3,243 recorded MSRP, $1,644 higher
Vertex
M60 AquaLion ND
- Same 40 mm case diameter
- Same Sellita SW300-1 caliber
What changes
Compare models $3,243 recorded MSRP, $1,644 higher
Bremont
S302
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models $4,400 recorded MSRP, $2,801 higher
Vertex
M60C AquaLion DC
- Same 40 mm case diameter
- Same Sellita SW300-1 caliber
What changes
Compare models $3,345 recorded MSRP, $1,746 higher
Breitling
Superocean Heritage B20 Automatic
- 42 mm case, 2 mm wider
- Both use automatic movements
What changes
Compare models $5,800 recorded MSRP, $4,201 higher
Breitling
Superocean Heritage B31 Automatic
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models $6,500 recorded MSRP, $4,901 higher
Fortis
Marinemaster M-40
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models $3,960 recorded MSRP, $2,361 higher
Rolex
Submariner Date
- 41 mm case, 1 mm wider
- Both use automatic movements
What changes
Compare models $11,900 recorded MSRP, $10,301 higher
Bremont
Supermarine 500M
- 43 mm case, 3 mm wider
- Both use automatic movements
What changes
Compare models $6,950 recorded MSRP, $5,351 higher
Breitling
Chronomat B01 42
- 42 mm case, 2 mm wider
- Both use automatic movements
What changes
$9,600 recorded MSRP, $8,001 higher
Homages & lookalikes· 6
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
Sports Outdoor Military Watch Men's Quartz Watch 50 Meters Waterproof
- $39 recorded MSRP, $1,560 lower
- 51 mm case, 11 mm wider
What changes
Quartz movement instead of automatic
Addiesdive
Automatic Watch Diver 200M (MY-H9)
- $129 recorded MSRP, $1,470 lower
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models Dimensions alone do not establish wrist fit.
Cronos
Watchdives Vintage 50-Fathoms NH35 Dive Watch V2
- $109 recorded MSRP, $1,490 lower
- Same 40 mm case diameter
- Both use automatic movements
What changes
Compare models Dimensions alone do not establish wrist fit.
Seestern
Seestern S434 V2
- $200 recorded MSRP, $1,399 lower
- 39.5 mm case, 0.5 mm narrower
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Seestern
S434-2
- $200 recorded MSRP, $1,399 lower
- 39 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Sugess
Seestern S434-2.03
- $220 recorded MSRP, $1,379 lower
- 39 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
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