Knot Watches
ATC-40
- $1,257 recorded MSRP, $16,043 lower
- 40 mm case, 0.3 mm wider
What changes
Compare models Automatic movement instead of manual. 0.2 mm thinner case
Watch alternatives
Alternatives to the Omega Speedmaster Calibre 321 Chronograph 39 7mm
Reference 311.30.40.30.01.001
Keep what you like. Explore what could be different. Compare 59 catalog matches by dimensions, movement and price.
- Case diameter
- 39.7 mm
- Lug-to-lug
- 48 mm
- Movement
- Manual
- Catalog MSRP
- $17,300
The starting pointStarting points
Choose the differences that matter to you.
Closest catalog matchOmega Speedmaster Calibre 321 Chronograph 38 6mm38.6 mm case, 1.1 mm narrowerSee the match Lower recorded MSRPAddiesdive Racing Chronograph AD2539$89 recorded MSRP, $17,211 lowerSee the match Shorter lug-to-lugOmega Speedmaster Calibre 321 Chronograph 42mm47.6 mm lug-to-lug, 0.4 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.
59 matches
Microbrand picks· 12
Discover smaller makers with catalog similarities to this watch.
Kobold
Professional Chronograph II
- $2,500 recorded MSRP, $14,800 lower
- 40 mm case, 0.3 mm wider
- Both use manual movements
What changes
Compare models 0.3 mm thicker case
Baltic
Scalegraph Classic
- $1,712 recorded MSRP, $15,588 lower
- 39.5 mm case, 0.2 mm narrower
- 47 mm lug-to-lug, 1 mm shorter
What changes
Compare models 0.2 mm thinner case
Beaufort
Bicompax
- $1,399 recorded MSRP, $15,901 lower
- 40.5 mm case, 0.8 mm wider
- 47 mm lug-to-lug, 1 mm shorter
What changes
Compare models 0.1 mm thicker case
Knot Watches
ATC-40SVJRBK-R_LD-16SVSV-ATC-40
- $1,756 recorded MSRP, $15,544 lower
- 40 mm case, 0.3 mm wider
What changes
Compare models Automatic movement instead of manual. 0.2 mm thinner case
Maen
Skymaster 38 Mkiii
- $1,679 recorded MSRP, $15,621 lower
- 38 mm case, 1.7 mm narrower
What changes
Compare models Automatic movement instead of manual. 0.3 mm thinner case
Lorca
MODEL No.2 Chronograph
- $2,750 recorded MSRP, $14,550 lower
- 37 mm case, 2.7 mm narrower
- 46 mm lug-to-lug, 2 mm shorter
What changes
Compare models Automatic movement instead of manual. 2.1 mm thinner case
Aquastar
Deepstar Chronograph
- $3,590 recorded MSRP, $13,710 lower
- 39 mm case, 0.7 mm narrower
- 49 mm lug-to-lug, 1 mm longer
What changes
Compare models Automatic movement instead of manual. 1.1 mm thicker case
Dan Henry
1964
- $310 recorded MSRP, $16,990 lower
- 38 mm case, 1.7 mm narrower
- 44.7 mm lug-to-lug, 3.3 mm shorter
What changes
Compare models Quartz movement instead of manual. 0.8 mm thinner case
Geckota
Classic Chronotimer
- $758 recorded MSRP, $16,542 lower
- 41.5 mm case, 1.8 mm wider
- 47.8 mm lug-to-lug, 0.2 mm shorter
What changes
Compare models Automatic movement instead of manual. 1.3 mm thinner case
Roue
TPS
- $1 recorded MSRP, $17,299 lower
- 40 mm case, 0.3 mm wider
What changes
Compare models Mecaquartz movement instead of manual. 0.3 mm thinner case
Baltic
Scalegraph
- $1,766 recorded MSRP, $15,534 lower
- 39.5 mm case, 0.2 mm narrower
- 47 mm lug-to-lug, 1 mm shorter
What changes
Compare models 0.4 mm thicker case
Mainstream picks· 12
Established-brand matches. Compare the recorded dimensions, movement and price for each watch.
Omega
Speedmaster First Omega in Space Co Axial Master Chronometer Chronograph 39 7mm
- $8,900 recorded MSRP, $8,400 lower
- Same 39.7 mm case diameter
- Both use manual movements
What changes
Compare models 0.3 mm thinner case
Breitling
Navitimer B02 Chronograph 41 Cosmonaute
- $12,650 recorded MSRP, $4,650 lower
- 41 mm case, 1.3 mm wider
- Both use manual movements
What changes
Compare models 0.7 mm thinner case
Omega
Speedmaster 57 Co Axial Master Chronometer Chronograph 40 5mm
- $10,300 recorded MSRP, $7,000 lower
- 40.5 mm case, 0.8 mm wider
- 49.6 mm lug-to-lug, 1.6 mm longer
What changes
Compare models 0.7 mm thinner case
Rolex
Cosmograph Daytona
- $16,900 recorded MSRP, $400 lower
- 40 mm case, 0.3 mm wider
What changes
Compare models Automatic movement instead of manual
Omega
Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 43mm
- 43 mm case, 3.3 mm wider
- 48.6 mm lug-to-lug, 0.6 mm longer
- Both use manual movements
What changes
Compare models $19,300 recorded MSRP, $2,000 higher
Breitling
Navitimer B01 Chronograph
- $10,300 recorded MSRP, $7,000 lower
- 41 mm case, 1.3 mm wider
What changes
Compare models Automatic movement instead of manual
Breitling
Aviator 8 B01 Chronograph 43
- $9,300 recorded MSRP, $8,000 lower
- 43 mm case, 3.3 mm wider
What changes
Compare models Automatic movement instead of manual. 0.3 mm thicker case
IWC Schaffhausen
Iw3716 Portugieser Chronograph
- $8,900 recorded MSRP, $8,400 lower
- 41 mm case, 1.3 mm wider
What changes
Compare models Automatic movement instead of manual. 0.7 mm thinner case
IWC Schaffhausen
Pilot's Watch Chronograph 41 Top Gun Ceratanium
- $13,800 recorded MSRP, $3,500 lower
- 41 mm case, 1.3 mm wider
What changes
Compare models Automatic movement instead of manual. 0.8 mm thicker case
TAG Heuer
Carrera Chronosprint X Porsche Rallye
- $10,650 recorded MSRP, $6,650 lower
- 42 mm case, 2.3 mm wider
What changes
Compare models Automatic movement instead of manual. 1.2 mm thicker case
Zenith
Defy Skyline Chronograph
- $14,500 recorded MSRP, $2,800 lower
- 42 mm case, 2.3 mm wider
What changes
Compare models Lug-to-lug is not recorded for this match.
Jaeger-LeCoultre
Polaris Chronograph Stainless Steel
- $16,700 recorded MSRP, $600 lower
- 42 mm case, 2.3 mm wider
What changes
Compare models Automatic movement instead of manual. 0.3 mm thinner case
Cheaper alternatives· 12
Matches in a lower price band. A recorded MSRP difference is shown only when both prices are known.
Hamilton
American Classic Intra-Matic Chronograph H
- $2,445 recorded MSRP, $14,855 lower
- 40 mm case, 0.3 mm wider
- 49 mm lug-to-lug, 1 mm longer
What changes
Compare models 0.7 mm thicker case
TAG Heuer
Carrera Chronograph
- $7,550 recorded MSRP, $9,750 lower
- 39 mm case, 0.7 mm narrower
What changes
Compare models Automatic movement instead of manual. 0.2 mm thicker case
Hamilton
American Classic Intra-Matic Auto Chrono
- $2,625 recorded MSRP, $14,675 lower
- 40 mm case, 0.3 mm wider
What changes
Compare models Automatic movement instead of manual. 0.8 mm thicker case
Breitling
Classic Avi Chronograph 42 Tribute To Vought F4u Corsair
- $6,350 recorded MSRP, $10,950 lower
- 42 mm case, 2.3 mm wider
What changes
Compare models Automatic movement instead of manual. 1 mm thicker case
Breitling
Avenger Chronograph
- $6,600 recorded MSRP, $10,700 lower
- 43 mm case, 3.3 mm wider
What changes
Compare models Automatic movement instead of manual. 2.7 mm thicker case
Breitling
Classic Avi Chronograph 42 P 51 Mustang
- $6,050 recorded MSRP, $11,250 lower
- 42 mm case, 2.3 mm wider
What changes
Compare models Automatic movement instead of manual. 1 mm thicker case
Seiko
Prospex Speedtimer Mechanical Chronograph
- $2,500 recorded MSRP, $14,800 lower
- 42 mm case, 2.3 mm wider
- 49.5 mm lug-to-lug, 1.5 mm longer
What changes
Compare models Automatic movement instead of manual. 0.9 mm thicker case
Tissot
PR516
- $2,100 recorded MSRP, $15,200 lower
- 41 mm case, 1.3 mm wider
- Both use manual movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Longines
Spirit Pilot Flyback
- $5,550 recorded MSRP, $11,750 lower
- 39.5 mm case, 0.2 mm narrower
- 47.4 mm lug-to-lug, 0.6 mm shorter
What changes
0.3 mm thinner case
Sinn
6052
- $5,929 recorded MSRP, $11,371 lower
- 41.5 mm case, 1.8 mm wider
What changes
Automatic movement instead of manual. 0.8 mm thicker case
IWC Schaffhausen
Iw388111 Pilot's Watch Chronograph
- $7,500 recorded MSRP, $9,800 lower
- 41 mm case, 1.3 mm wider
What changes
Compare models Automatic movement instead of manual. 0.8 mm thicker case
Bremont
Altitude Chronograph
- $5,750 recorded MSRP, $11,550 lower
- 42 mm case, 2.3 mm wider
What changes
Compare models Automatic movement instead of manual. 1 mm thicker case
Pricier alternatives· 12
Matches in a higher price band. Check the specifications to decide whether the differences matter to you.
Omega
Speedmaster Calibre 321 Chronograph 38 6mm
- 38.6 mm case, 1.1 mm narrower
- Same Omega 321 caliber
What changes
Compare models 0.2 mm thicker case. $108,900 recorded MSRP, $91,600 higher
Omega
Speedmaster Calibre 321 Chronograph 42mm
- 42 mm case, 2.3 mm wider
- 47.6 mm lug-to-lug, 0.4 mm shorter
- Same Omega 321 caliber
What changes
Compare models 0.3 mm thinner case. $77,900 recorded MSRP, $60,600 higher
Rolex
Cosmograph Daytona
- 40 mm case, 0.3 mm wider
What changes
Compare models Automatic movement instead of manual. $59,100 recorded MSRP, $41,800 higher
A. Lange & Söhne
1815 Chronograph
- 39.5 mm case, 0.2 mm narrower
- Both use manual movements
What changes
Compare models 2.7 mm thinner case
A. Lange & Söhne
Datograph Updown
- 41 mm case, 1.3 mm wider
- Both use manual movements
What changes
Compare models 0.6 mm thinner case
Breitling
Navitimer B19 Chronograph 43 Perpetual Calendar
- 43 mm case, 3.3 mm wider
What changes
Compare models Automatic movement instead of manual. 1.2 mm thicker case
A. Lange & Söhne
Datograph Perpetual
- 41 mm case, 1.3 mm wider
- Both use manual movements
What changes
Compare models 0.2 mm thinner case
Breitling
Premier B21 Chronograph Tourbillon 42 Willy Breitling
- 42 mm case, 2.3 mm wider
What changes
Compare models Automatic movement instead of manual. 1.6 mm thicker case
Breitling
Avi 1953 Edition
- 41 mm case, 1.3 mm wider
- Both use manual movements
What changes
Compare models 0.4 mm thicker case. $48,400 recorded MSRP, $31,100 higher
TAG Heuer
Carrera Chronograph Tourbillon X Porsche Panamericana
- 42 mm case, 2.3 mm wider
What changes
Compare models Automatic movement instead of manual. 0.6 mm thicker case
TAG Heuer
Carrera Chronograph Tourbillon
- 42 mm case, 2.3 mm wider
What changes
Compare models Automatic movement instead of manual. 0.6 mm thicker case
TAG Heuer
Carrera Chronograph Tourbillon Extreme Sport
- 44 mm case, 4.3 mm wider
What changes
Compare models Automatic movement instead of manual. 1.4 mm thicker case
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.
Addiesdive
Racing Chronograph AD2539
- $89 recorded MSRP, $17,211 lower
- 37 mm case, 2.7 mm narrower
- 46 mm lug-to-lug, 2 mm shorter
What changes
Compare models Meca-Quartz movement instead of manual. 1 mm thinner case
Addiesdive
VK63/0S20 Triple-Register Chronograph
- $89 recorded MSRP, $17,211 lower
- 37 mm case, 2.7 mm narrower
- 46 mm lug-to-lug, 2 mm shorter
What changes
Compare models Meca-Quartz movement instead of manual. 1 mm thinner case
Addiesdive
Blue Goldstone Dial VK64 Chronograph
- $89 recorded MSRP, $17,211 lower
- 40 mm case, 0.3 mm wider
What changes
Compare models Meca-Quartz movement instead of manual. 0.7 mm thinner case
Pagani Design
PD-1819
- $171 recorded MSRP, $17,129 lower
- 40 mm case, 0.3 mm wider
What changes
Quartz movement instead of manual. 3 mm thinner case
Pagani Design
PD-1701
- $152 recorded MSRP, $17,148 lower
- 40 mm case, 0.3 mm wider
What changes
Compare models Meca-Quartz movement instead of manual. 0.3 mm thicker case
Pagani Design
PD-1644 Full Black
- $121 recorded MSRP, $17,179 lower
- 40 mm case, 0.3 mm wider
What changes
Compare models Meca-Quartz movement instead of manual. 1.7 mm thinner case
San Martin
Panda BB Chronograph Retro
- $325 recorded MSRP, $16,975 lower
- 40 mm case, 0.3 mm wider
- 41 mm lug-to-lug, 7 mm shorter
What changes
Compare models Automatic movement instead of manual
San Martin
ST1901 Chronograp M57 Vintage
- $325 recorded MSRP, $16,975 lower
- 38.5 mm case, 1.2 mm narrower
What changes
Compare models Automatic movement instead of manual
Sugess
Chrono Heritage S438-2.0X
- $240 recorded MSRP, $17,060 lower
- 41 mm case, 1.3 mm wider
- Both use manual movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Sugess
Chrono Heritage SUCHP005
- $240 recorded MSRP, $17,060 lower
- 40 mm case, 0.3 mm wider
- Both use manual movements
What changes
Compare models 0.7 mm thinner case
Sugess
Chrono Heritage SUCHP007
- $240 recorded MSRP, $17,060 lower
- 40 mm case, 0.3 mm wider
- Both use manual movements
What changes
Compare models 0.7 mm thinner case
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