lug2lug
BrowseCompareNewsCommunityMy Watches
BrowseCompareNewsCommunityMy Watches
Theme
Popular microbrands:Christopher Ward·Baltic·anOrdain·Atelier Wen·Boldr·Bremont·Dan Henry·DOXABrowse all →
Best, by the specs:Diver under $2,000·Dress under $5,000·Chronograph under $5,000·Best sport watches·GMT under $5,000·Field under $500·Pilot under $2,000·Casual under $1,000All rankings →
Glossary:Lug-to-Lug·Water Resistance·Chronograph·GMT·Automatic·LumeBrowse all →
Tools:Collection tracker·Watch size chart·Wrist-fit calculator·Selling calculator·What should I buy?·Market index·iPhone app
Lug2Letter
Watches worth knowing about, weekly.
Curated discoveries, founder spotlights, and the occasional deep-dive.
Get the app
Download on theApp StoreGET IT ONGoogle Play
TermsPrivacyDelete accountCopyrightDisclosuresContactContribute

Independent reference site · not affiliated with any brand · contains affiliate links

© 2026 Lug2Lug LLC · Prices are estimates and not offers

Watches/Alternatives/RGM Watches Model 600 Chrono

Watch alternatives

Alternatives to the RGM Watches Model 600 Chrono

Keep what you like. Explore what could be different. Compare 48 catalog matches by dimensions, movement and price.

Explore the matches ↓View original watch ↗
Case diameter
42 mm
Lug-to-lug
Not recorded
Movement
Automatic
Catalog MSRP
$4,450
RGM Watches Model 600 ChronoThe starting point
Your next watch starts with a shortlist.

Save favorites here, compare the details, and keep your collection with you in the app.

Explore the app ↗My watches ↗

Starting points

Choose the differences that matter to you.

Closest catalog matchDumoreau Monopusher Chronograph$1,995 recorded MSRP, $2,455 lowerSee the match ↓
Lower recorded MSRPFortis Flieger F-43 Bicompax$4,400 recorded MSRP, $50 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.

48 matches

Microbrand picks· 12

Discover smaller makers with catalog similarities to this watch.

Dumoreau Monopusher Chronograph
Dumoreau

Monopusher Chronograph

  • $1,995 recorded MSRP, $2,455 lower
  • 40 mm case, 2 mm narrower
  • Same Sellita SW510 caliber
What changes

Manual movement instead of automatic

View watch ↗
Compare models ↗
Aera Instruments C-1
Aera Instruments

C-1

  • $3,400 recorded MSRP, $1,050 lower
  • Same 42 mm case diameter
  • Same Sellita SW510 caliber
What changes

3.3 mm thicker case

View watch ↗
Compare models ↗
Laco Edition 98
Laco

Edition 98

  • $3,570 recorded MSRP, $880 lower
  • 43 mm case, 1 mm wider
  • Same Sellita SW510 caliber
What changes

1.6 mm thicker case

View watch ↗
CWC 6BB-WR
CWC

6BB-WR

  • $1,875 recorded MSRP, $2,575 lower
  • Same 42 mm case diameter
  • Same Sellita SW510 caliber
What changes

2.5 mm thicker case

View watch ↗
Compare models ↗
CWC (Cabot Watch Company) 6BB-WR
CWC (Cabot Watch Company)

6BB-WR

  • $2,858 recorded MSRP, $1,592 lower
  • Same 42 mm case diameter
  • Same Sellita SW510 caliber
What changes

2.5 mm thicker case

View watch ↗
Compare models ↗
Sheffield SCR CHRONO SW
Sheffield

SCR CHRONO SW

  • $1,180 recorded MSRP, $3,270 lower
  • Same 42 mm case diameter
  • Same Sellita SW510 caliber
What changes

2.3 mm thicker case

View watch ↗
Compare models ↗
Signum Sollus Chrono
Signum

Sollus Chrono

  • $299 recorded MSRP, $4,151 lower
  • 42.5 mm case, 0.5 mm wider
What changes

Mecaquartz movement instead of automatic. 0.4 mm thinner case

View watch ↗
Compare models ↗
Orologi Calamai G50 Freccia Blu Soleil
Orologi Calamai

G50 Freccia Blu Soleil

  • $3,190 recorded MSRP, $1,260 lower
  • 40 mm case, 2 mm narrower
  • Same Sellita SW510 caliber
What changes

2 mm thicker case

View watch ↗
Compare models ↗
Pequignet Royale Paris Lune
Pequignet

Royale Paris Lune

  • 41 mm case, 1 mm narrower
  • Both use automatic movements
What changes

1 mm thinner case. $6,450 recorded MSRP, $2,000 higher

View watch ↗
Manufaktur Waldhoff Ultramatic II Royal Blue
Manufaktur Waldhoff

Ultramatic II Royal Blue

  • $1,599 recorded MSRP, $2,851 lower
  • 42.5 mm case, 0.5 mm wider
What changes

Manual movement instead of automatic. 0.9 mm thinner case

View watch ↗
Orologi Calamai G50 Freccia Antracite
Orologi Calamai

G50 Freccia Antracite

  • $3,190 recorded MSRP, $1,260 lower
  • 40 mm case, 2 mm narrower
  • Same Sellita SW510 caliber
What changes

2 mm thicker case

View watch ↗
Compare models ↗
Smiths MONOPUSHER PRS-57
Smiths

MONOPUSHER PRS-57

  • $945 recorded MSRP, $3,505 lower
  • 40 mm case, 2 mm narrower
  • Same Sellita SW510 caliber
What changes

2.6 mm thicker case

View watch ↗

Mainstream picks· 12

Established-brand matches. Compare the recorded dimensions, movement and price for each watch.

Fortis Flieger F-43 Bicompax
Fortis

Flieger F-43 Bicompax

  • $4,400 recorded MSRP, $50 lower
  • 43 mm case, 1 mm wider
  • Same Sellita SW510 caliber
What changes

2.1 mm thicker case

View watch ↗
Compare models ↗
Massena LAB Archetype 0.0
Massena LAB

Archetype 0.0

  • $4,250 recorded MSRP, $200 lower
  • Same 42 mm case diameter
  • Same Sellita SW510 caliber
What changes

Manual movement instead of automatic. 1.1 mm thicker case

View watch ↗
Compare models ↗
RGM Watches Model 455 Classic Chronographs
RGM Watches

Model 455 Classic Chronographs

  • 38.2 mm case, 3.8 mm narrower
  • Both use automatic movements
What changes

1.5 mm thicker case. $7,950 recorded MSRP, $3,500 higher

View watch ↗
Compare models ↗
Massena LAB Uni-Racer
Massena LAB

Uni-Racer

  • $3,495 recorded MSRP, $955 lower
  • 39 mm case, 3 mm narrower
  • Same Sellita SW510 caliber
What changes

Manual movement instead of automatic. 3.4 mm thinner case

View watch ↗
Compare models ↗
Longines LONGINES AVIGATION BIGEYE
Longines

LONGINES AVIGATION BIGEYE

  • $4,400 recorded MSRP, $50 lower
  • 41 mm case, 1 mm narrower
  • Both use automatic movements
What changes

2.1 mm thicker case

View watch ↗
Compare models ↗
Hamilton Jazzmaster Auto Chrono
Hamilton

Jazzmaster Auto Chrono

  • $2,225 recorded MSRP, $2,225 lower
  • Same 42 mm case diameter
  • Both use automatic movements
What changes

2.8 mm thicker case

View watch ↗
Compare models ↗
Longines LONGINES SPIRIT FLYBACK
Longines

LONGINES SPIRIT FLYBACK

  • Same 42 mm case diameter
  • Both use automatic movements
What changes

4.6 mm thicker case. $5,200 recorded MSRP, $750 higher

View watch ↗
Compare models ↗
Breitling Top Time B01
Breitling

Top Time B01

  • 41 mm case, 1 mm narrower
  • Both use automatic movements
What changes

0.9 mm thicker case. $8,050 recorded MSRP, $3,600 higher

View watch ↗
Compare models ↗
Bremont Altitude Chronograph
Bremont

Altitude Chronograph

  • Same 42 mm case diameter
  • Both use automatic movements
What changes

2.3 mm thicker case. $5,500 recorded MSRP, $1,050 higher

View watch ↗
Compare models ↗
Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono
Hamilton

Khaki Aviation Pilot Pioneer Mechanical Chrono

  • $2,395 recorded MSRP, $2,055 lower
  • 40 mm case, 2 mm narrower
What changes

Manual movement instead of automatic. 1.9 mm thicker case

View watch ↗
Tissot Telemeter 1938
Tissot

Telemeter 1938

  • $2,400 recorded MSRP, $2,050 lower
  • Same 42 mm case diameter
  • Both use automatic movements
What changes

1.4 mm thicker case

View watch ↗
Compare models ↗
Longines Spirit Flyback 42mm
Longines

Spirit Flyback 42mm

  • Same 42 mm case diameter
  • Both use automatic movements
What changes

$5,000 recorded MSRP, $550 higher

View watch ↗
Compare models ↗

Cheaper alternatives· 12

Matches in a lower price band. A recorded MSRP difference is shown only when both prices are known.

Hamilton Jazzmaster Regulator Cinema
Hamilton

Jazzmaster Regulator Cinema

  • $1,475 recorded MSRP, $2,975 lower
  • Same 42 mm case diameter
  • Both use automatic movements
What changes

0.4 mm thicker case

View watch ↗
Compare models ↗
Hamilton Khaki Aviation X-Wind Auto chrono
Hamilton

Khaki Aviation X-Wind Auto chrono

  • $2,095 recorded MSRP, $2,355 lower
  • 44 mm case, 2 mm wider
  • Both use automatic movements
What changes

3.2 mm thicker case

View watch ↗
Stowa Marine Classic Chrono
Stowa

Marine Classic Chrono

  • 41 mm case, 1 mm narrower
  • Both use automatic movements
What changes

Lug-to-lug is not recorded for this match.

View watch ↗
Compare models ↗
Stowa Tempora Big Eye beige
Stowa

Tempora Big Eye beige

  • 44 mm case, 2 mm wider
  • Same Sellita SW510 caliber
What changes

3.6 mm thicker case

View watch ↗
Junghans 1972 Chronoscope Sports Edition 2025
Junghans

1972 Chronoscope Sports Edition 2025

  • $1,050 recorded MSRP, $3,400 lower
  • 43.3 mm case, 1.3 mm wider
  • Both use automatic movements
What changes

1.1 mm thinner case

View watch ↗
Compare models ↗
Movado Heritage Calendoplan Chronograph
Movado

Heritage Calendoplan Chronograph

  • $995 recorded MSRP, $3,455 lower
  • Same 42 mm case diameter
What changes

Quartz movement instead of automatic

View watch ↗
Compare models ↗
Stowa Chronograph 1938 black
Stowa

Chronograph 1938 black

  • 41 mm case, 1 mm narrower
  • Both use automatic movements
What changes

1.3 mm thicker case

View watch ↗
Compare models ↗
Hamilton Broadway Auto Chrono
Hamilton

Broadway Auto Chrono

  • $1,895 recorded MSRP, $2,555 lower
  • 43 mm case, 1 mm wider
  • Both use automatic movements
What changes

2.6 mm thicker case

View watch ↗
Compare models ↗
Orient Stretto Day & Night
Orient

Stretto Day & Night

  • $420 recorded MSRP, $4,030 lower
  • 41.5 mm case, 0.5 mm narrower
  • Both use automatic movements
What changes

0.6 mm thicker case

View watch ↗
Orient Classic Semi Skeleton
Orient

Classic Semi Skeleton

  • $670 recorded MSRP, $3,780 lower
  • 40 mm case, 2 mm narrower
  • Both use automatic movements
What changes

0.3 mm thicker case

View watch ↗
Yema Navygraf Chrono
Yema

Navygraf Chrono

  • $1,999 recorded MSRP, $2,451 lower
  • 40 mm case, 2 mm narrower
  • Both use automatic movements
What changes

1.5 mm thicker case

View watch ↗
Compare models ↗
Tissot PR516
Tissot

PR516

  • $2,150 recorded MSRP, $2,300 lower
  • 41 mm case, 1 mm narrower
  • Both use automatic movements
What changes

1.8 mm thicker case

View watch ↗
Compare models ↗

Pricier alternatives· 12

Matches in a higher price band. Check the specifications to decide whether the differences matter to you.

TAG Heuer Carrera Chronograph Tourbillon
TAG Heuer

Carrera Chronograph Tourbillon

  • Same 42 mm case diameter
  • Both use automatic movements
What changes

1.9 mm thicker case. $37,200 recorded MSRP, $32,750 higher

View watch ↗
Compare models ↗
Breitling Avi 1953 Edition
Breitling

Avi 1953 Edition

  • 41 mm case, 1 mm narrower
What changes

Manual movement instead of automatic. 1.7 mm thicker case

View watch ↗
Compare models ↗
Jaeger-LeCoultre Polaris Chronograph Stainless Steel
Jaeger-LeCoultre

Polaris Chronograph Stainless Steel

  • Same 42 mm case diameter
  • Both use automatic movements
What changes

1 mm thicker case. $17,600 recorded MSRP, $13,150 higher

View watch ↗
Compare models ↗
Patek Philippe Complications 5172
Patek Philippe

Complications 5172

  • 41 mm case, 1 mm narrower
What changes

Manual movement instead of automatic. 1 mm thinner case

View watch ↗
Panerai Luminor Chrono
Panerai

Luminor Chrono

  • 44 mm case, 2 mm wider
  • Both use automatic movements
What changes

Lug-to-lug is not recorded for this match.

View watch ↗
Compare models ↗
Patek Philippe Complications 5924
Patek Philippe

Complications 5924

  • Same 42 mm case diameter
  • Both use automatic movements
What changes

0.7 mm thicker case. $88,648 recorded MSRP, $84,198 higher

View watch ↗
Omega Speedmaster Chronoscope Co Axial Master Chronometer Chronograph 43mm
Omega

Speedmaster Chronoscope Co Axial Master Chronometer Chronograph 43mm

  • 43 mm case, 1 mm wider
What changes

Manual movement instead of automatic. 0.4 mm thicker case

View watch ↗
Compare models ↗
RGM Watches Model 25
RGM Watches

Model 25

  • 40 mm case, 2 mm narrower
  • Both use automatic movements
What changes

2 mm thinner case. $17,900 recorded MSRP, $13,450 higher

View watch ↗
Compare models ↗
A. Lange & Söhne Datograph Updown
A. Lange & Söhne

Datograph Updown

  • 41 mm case, 1 mm narrower
What changes

Manual movement instead of automatic. 0.7 mm thicker case

View watch ↗
Compare models ↗
Breitling Top Time B01 Chronograph 41 Tribute To Aston Martin Db5 - PB0178121B1X1
Breitling

Top Time B01 Chronograph 41 Tribute To Aston Martin Db5 - PB0178121B1X1

  • 41 mm case, 1 mm narrower
  • Both use automatic movements
What changes

0.9 mm thicker case. $18,600 recorded MSRP, $14,150 higher

View watch ↗
Compare models ↗
Fears Garrick (White)
Fears

Garrick (White)

  • Same 42 mm case diameter
What changes

Manual movement instead of automatic. 2.4 mm thinner case

View watch ↗
Frederique Constant Highlife Perpetual Calendar Manufacture
Frederique Constant

Highlife Perpetual Calendar Manufacture

  • 41 mm case, 1 mm narrower
  • Both use automatic movements
What changes

0.3 mm thicker case. $9,595 recorded MSRP, $5,145 higher

View watch ↗
Keep your wishlist and collection together on iPhone and AndroidExplore the app
Get the appGet the app

Keep exploring

Follow a detail, a style, or a new direction.

Check your wrist fit ↗

Explore how case diameter and lug-to-lug relate to your wrist.

Find your watch style ↗

Use the quiz to explore watches around your preferences.

Best Chronograph Watches Under $5,000 ↗

Explore a wider set of watches in this category.