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Browse/Alternatives/Sinn 903 St II
Sinn 903 St II
Finding alternatives to

Sinn 903 St II

Ref. 903 St II

59 watches that match on case size, movement family, and price band. Sorted by how close the match is.

Case
41mm
Movement
Automatic
Category
Tool
MSRP
$3,942
ComplicationsDateChronograph
The short answer

The closest alternative to the Sinn 903 St II is the Sinn 6099 ($4,990) — shared caliber (LJP L110) and Racing chrono. If price is the constraint, the Marathon Jeep Rubicon TSAR at $1,650 (vs $3,942 for the 903 St II) covers most of the same brief. From the independents, the Vertigo Watches Pilot One V2 is the standout microbrand take — racing chrono and Looks nearly identical. Stepping up, the Omega Seamaster Diver 300M Co Axial Master Chronometer Chronograph 44mm ($9,200) is where the same idea goes with a bigger budget.

ColourwayPick a colourway to match a specific dial
59 matches
Microbrand picks· 12

Independent makers covering the same brief — usually with something the mainstream brands don't.

Vertigo Watches Pilot One V2
Vertigo Watchesmicro

Pilot One V2

3 variantsSeries
41mm·Manual·100m WR
$673MSRP
—Used
vsCompare with the Sinn 903 St II
Kobold Polar Surveyor Chronograph
Koboldmicro

Polar Surveyor Chronograph

41mm·Automatic·300m WR
$9,250MSRP
—Used
vsCompare with the Sinn 903 St II
Echo/Neutra Cristallo Professional Diver 500m
Echo/Neutramicro

Cristallo Professional Diver 500m

2 variantsCRISTALLO
42mm·Automatic·500m WR
$1,450MSRP
—Used
vsCompare with the Sinn 903 St II
Seaholm Flats Chronograph
Seaholmmicro

Flats Chronograph

3 variantsSeries
41mm·Automatic·200m WR
$3,495MSRP
—Used
vsCompare with the Sinn 903 St II
Whitby Watch Co. Intrepid X
Whitby Watch Co.micro

Intrepid X

2 variantsSeries
44mm·Automatic·100m WR
$2,190MSRP
—Used
vsCompare with the Sinn 903 St II
Olech & Wajs Watches MIRAGE III
Olech & Wajs Watchesmicro

MIRAGE III

40mm·Automatic·200m WR
—MSRP
—Used
vsCompare with the Sinn 903 St II
Spinnaker Tesei Titanium
Spinnakermicro

Tesei Titanium

3 variantsTesei
42mm·Automatic·200m WR
$625MSRP
—Used
vsCompare with the Sinn 903 St II
Pitzmann Watches Pitzmann III
Pitzmann Watchesmicro
III

Pitzmann III

2 variantsSeries
40mm·Automatic
—MSRP
—Used
vsCompare with the Sinn 903 St II
Phoibos Eagle Ray
Phoibosmicro

Eagle Ray

4 variantsEagle Ray
41mm·Automatic·200m WR
$360MSRP
—Used
vsCompare with the Sinn 903 St II
Elliot Brown BEACHMASTER AUTOMATIC: Test slice
Elliot Brownmicro

BEACHMASTER AUTOMATIC: Test slice

40mm·Automatic·300m WR
$2,138MSRP
—Used
vsCompare with the Sinn 903 St II
Archimede Watches SportTaucher diver 41mm 3-hand (rotating dive bezel)
Archimede Watchesmicro

SportTaucher diver 41mm 3-hand (rotating dive bezel)

41mm·Automatic·300m WR
$1,020MSRP
—Used
vsCompare with the Sinn 903 St II
Audaz ADZ-3070
Audazmicro

ADZ-3070

5 variantsSeries
42mm·Automatic·200m WR
$700MSRP
—Used
vsCompare with the Sinn 903 St II
Mainstream picks· 12

Established brands covering the same brief at a comparable price — same case size, similar movement family. Often the deciding click for a new buyer.

Sinn 6099
Sinn
Series 6099

6099

41.5mm·Automatic·100m WR
$4,990MSRP
—Used
vsCompare with the Sinn 903 St II
Sinn 144 St DIAPAL
Sinn
Series 144

144 St DIAPAL

3 variantsSeries 144
41mm·Automatic·200m WR
$4,428MSRP
—Used
vsCompare with the Sinn 903 St II
Sinn 6012
Sinn
Series 6012

6012

41.5mm·Automatic·100m WR
$5,929MSRP
—Used
vsCompare with the Sinn 903 St II
Fortis Novonaut N-42
Fortis

Novonaut N-42

4 variantsNovonaut
42mm·Automatic·300m WR
$5,230MSRP
—Used
vsCompare with the Sinn 903 St II
Breitling Avenger B01 Chronograph
Breitling

Avenger B01 Chronograph

42/44/45mm
9 variantsAvenger
42/44/45mm·Automatic·300m WR
$7,150MSRP
—Used
vsCompare with the Sinn 903 St II
Bremont Supermarine Chrono
Bremont

Supermarine Chrono

3 variantsSupermarine
43mm·Automatic·300m WR
$6,850MSRP
—Used
vsCompare with the Sinn 903 St II
Norqain Adventure Chrono 41mm NHL Limited Edition
Norqain

Adventure Chrono 41mm NHL Limited Edition

41mm·Automatic·100m WR
$6,204MSRP
—Used
vsCompare with the Sinn 903 St II
Breitling Avenger Chronograph
Breitling

Avenger Chronograph

43/45mm
4 variantsAvenger
43/45mm·Automatic·300m WR
$6,600MSRP
—Used
vsCompare with the Sinn 903 St II
TAG Heuer Formula 1 Senna
TAG Heuer

Formula 1 Senna

Ref. CAZ201D.BA0633
44mm·Automatic·200m WR
$4,900MSRP
—Used
vsCompare with the Sinn 903 St II
Marathon Jeep Rubicon GSAR
Marathon
Jeep x Marathon

Jeep Rubicon GSAR

Ref. WW194006SS-4101-KIT
41mm·Automatic·300m WR
$2,100MSRP
—Used
vsCompare with the Sinn 903 St II
Breitling Classic Avi Chronograph 42 Mosquito
Breitling

Classic Avi Chronograph 42 Mosquito

Ref. Y233801A/BI93/535X/A18DSA.6
42mm·Automatic·100m WR
$6,200MSRP
—Used
vsCompare with the Sinn 903 St II
Tudor Pelagos FXD Chrono
Tudor

Pelagos FXD Chrono

Ref. m25827kn-0001
43mm·Automatic·100m WR
$6,375MSRP
—Used
vsCompare with the Sinn 903 St II
Cheaper alternatives· 12

If the price is the only thing keeping you off this watch, these get you most of the way there for less.

Marathon Jeep Rubicon TSAR
Marathon
Jeep x Marathon

Jeep Rubicon TSAR

2 variantsJeep x Marathon
41mm·Automatic·300m WR
$1,650MSRP
—Used
vsCompare with the Sinn 903 St II
Marathon Arctic OSAR 41mm Automatic
Marathon
OSAR

Arctic OSAR 41mm Automatic

41mm·Automatic·300m WR
$1,800MSRP
—Used
vsCompare with the Sinn 903 St II
Marathon OSAR-D (Original SAR with Date) Automatic 41mm
Marathon

OSAR-D (Original SAR with Date) Automatic 41mm

41mm·Automatic·300m WR
$1,800MSRP
—Used
vsCompare with the Sinn 903 St II
Orient Diver Watch
Orient

Diver Watch

7 variantsDiver
41.5mm·Automatic·200m WR
$285MSRP
—Used
vsCompare with the Sinn 903 St II
Christopher Ward C60 Trident Pro 300
Christopher Ward
Trident

C60 Trident Pro 300

3 variantsTrident
40mm·Automatic·300m WR
$1,095MSRP
—Used
vsCompare with the Sinn 903 St II
Glycine Combat Sub Vintage
Glycine

Combat Sub Vintage

2 variantsCombat Sub Vintage
42mm·Automatic·200m WR
$1,750MSRP
—Used
vsCompare with the Sinn 903 St II
Orient M-Force AC0N
Orient

M-Force AC0N

45mm·Automatic·200m WR
$555MSRP
—Used
vsCompare with the Sinn 903 St II
Glycine Combat Sub Sport
Glycine

Combat Sub Sport

2 variantsCombat Sub Sport
39mm·Automatic·300m WR
$1,850MSRP
—Used
vsCompare with the Sinn 903 St II
Glycine Combat Sub
Glycine

Combat Sub

5 variantsCombat Sub
42mm·Automatic·200m WR
$1,850MSRP
—Used
vsCompare with the Sinn 903 St II
Christopher Ward C60 Sapphire Edge
Christopher Ward

C60 Sapphire Edge

2 variantsC60
40mm·Automatic·300m WR
$1,495MSRP
—Used
vsCompare with the Sinn 903 St II
Damasko DSub50
Damaskomicro

DSub50

5 variantsSeries
43mm·Automatic·300m WR
—MSRP
—Used
vsCompare with the Sinn 903 St II
Damasko DSub10 black
Damaskomicro

DSub10 black

4 variantsSeries
42mm·Automatic·300m WR
—MSRP
—Used
vsCompare with the Sinn 903 St II
Pricier alternatives· 12

Where the same idea goes when budget isn't the constraint — luxury upgrades and step-ups.

Omega Seamaster Diver 300M Co Axial Master Chronometer Chronograph 44mm
Omega

Seamaster Diver 300M Co Axial Master Chronometer Chronograph 44mm

5 variantsSeamaster Diver 300M
44mm·Automatic·300m WR
$9,200MSRP
—Used
vsCompare with the Sinn 903 St II
Breitling Avenger B01 Chronograph
Breitling

Avenger B01 Chronograph

Ref. SB01462A/L648/657X/E20DSA.6
42mm·Automatic·300m WR
$10,100MSRP
—Used
vsCompare with the Sinn 903 St II
Breitling Aviator 8 B01 Chronograph 43 Mosquito
Breitling

Aviator 8 B01 Chronograph 43 Mosquito

Ref. AB01194A/BH54/525X/A20BASA.6
43mm·Automatic·100m WR
$9,050MSRP
—Used
vsCompare with the Sinn 903 St II
Breitling Chronomat B01 42
Breitling

Chronomat B01 42

33 variantsChronomat
42mm·Automatic·200m WR
$9,550MSRP
—Used
vsCompare with the Sinn 903 St II
IWC Schaffhausen IWC Aquatimer Chronograph
IWC Schaffhausen
Aquatimer

IWC Aquatimer Chronograph

2 variantsAquatimer
44mm·Automatic·300m WR
$7,900MSRP
—Used
vsCompare with the Sinn 903 St II
Omega Seamaster Planet Ocean 600M Co Axial Master Chronometer 42mm
Omega

Seamaster Planet Ocean 600M Co Axial Master Chronometer 42mm

7 variantsSeamaster Planet Ocean 600M
42mm·Automatic·600m WR
$8,600MSRP
—Used
vsCompare with the Sinn 903 St II
TAG Heuer Carrera Chronograph
TAG Heuer

Carrera Chronograph

Ref. CBS2240.FC8319
39mm·Automatic·100m WR
$24,250MSRP
—Used
vsCompare with the Sinn 903 St II
Tudor Black Bay
Tudor

Black Bay

Ref. m79230g-0001
41mm·Automatic·200m WR
—MSRP
—Used
vsCompare with the Sinn 903 St II
Rolex Cosmograph Daytona
Rolex

Cosmograph Daytona

19 variantsCosmograph Daytona
40mm·Automatic·100m WR
$42,700MSRP
—Used
vsCompare with the Sinn 903 St II
Omega Seamaster Diver 300M Co Axial Master Chronometer Chronograph 44mm
Omega

Seamaster Diver 300M Co Axial Master Chronometer Chronograph 44mm

2 variantsSeamaster Diver 300M
44mm·Automatic·300m WR
$27,300MSRP
—Used
vsCompare with the Sinn 903 St II
TAG Heuer Carrera
TAG Heuer

Carrera

Ref. CBU2050.FT6273
44mm·Automatic·100m WR
$15,000MSRP
—Used
vsCompare with the Sinn 903 St II
IWC Schaffhausen Iw379502 Aquatimer Chronograph Edition Galapagos Islands
IWC Schaffhausen
Aquatimer

Iw379502 Aquatimer Chronograph Edition Galapagos Islands

Ref. IW379502
45mm·Automatic·300m WR
$12,000MSRP
—Used
vsCompare with the Sinn 903 St II
Homages & lookalikes· 11

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.

Omega Speedmaster 38 Co Axial Chronometer Chronograph 38mm
Omega

Speedmaster 38 Co Axial Chronometer Chronograph 38mm

4 variantsSpeedmaster
38mm·Automatic·100m WR
$8,700MSRP
—Used
vsCompare with the Sinn 903 St II
Omega Speedmaster 38 Co Axial Chronometer Chronograph 38mm
Omega

Speedmaster 38 Co Axial Chronometer Chronograph 38mm

15 variantsSpeedmaster
38mm·Automatic·100m WR
$5,900MSRP
—Used
vsCompare with the Sinn 903 St II
Omega Speedmaster Moonwatch Professional Co Axial Master Chronometer Chronograph 42mm
Omega

Speedmaster Moonwatch Professional Co Axial Master Chronometer Chronograph 42mm

11 variantsSpeedmaster
42mm·Manual
$36,100MSRP
—Used
vsCompare with the Sinn 903 St II
Dryden Chrono Diver Series 1
Drydenmicro

Chrono Diver Series 1

13 variantsChrono Diver
42mm·Quartz·101m WR
$349MSRP
—Used
vsCompare with the Sinn 903 St II
Helicon Professional Chronograph
Heliconmicro

Professional Chronograph

4 variantsSeries
41mm·Quartz·100m WR
$550MSRP
—Used
vsCompare with the Sinn 903 St II
Ferro & Company RACE MASTER CHRONOGRAPH BLACK BR
Ferro & Companymicro

RACE MASTER CHRONOGRAPH BLACK BR

3 variantsSeries
39mm·Quartz
$525MSRP
—Used
vsCompare with the Sinn 903 St II
Pagani Design PD-1676
Pagani Designhomage
Chronograph

PD-1676

2 variantsPD-1676
40mm·Quartz·100m WR
$120MSRP
—Used
vsCompare with the Sinn 903 St II
Helgray Le Mans (Legend Rose Gold)
Helgraymicro

Le Mans (Legend Rose Gold)

42mm·Quartz·100m WR
$299MSRP
—Used
vsCompare with the Sinn 903 St II
Maen Skymaster 38 MKIII
Maenmicro

Skymaster 38 MKIII

9 variantsSkymaster
38mm·Automatic·100m WR
$1,679MSRP
—Used
vsCompare with the Sinn 903 St II
Undone Disney Space Legend Black Chronograph Customizable
Undonemicro

Disney Space Legend Black Chronograph Customizable

40mm·Quartz
$349MSRP
—Used
vsCompare with the Sinn 903 St II
Undone Sport Speedy
Undonemicro

Sport Speedy

40mm·Quartz
$285MSRP
—Used
vsCompare with the Sinn 903 St II
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