Ratio
FreeDiver 1000M
- 45 mm case, 0.6 mm wider
What changes
Compare models Quartz movement instead of solar
Watch alternatives
Alternatives to the Casio GBM-2100B-7A
Keep what you like. Explore what could be different. Compare 38 catalog matches by dimensions, movement and price.
- Case diameter
- 44.4 mm
- Lug-to-lug
- Not recorded
- Movement
- Solar
- Catalog MSRP
- Not recorded
The starting pointStarting points
Choose the differences that matter to you.
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.
Ratio
FreeDiver 1038EF102V-ORG
- 45 mm case, 0.6 mm wider
What changes
Compare models Quartz movement instead of solar
Elliot Brown
Med Section limited edition Holton
- 43 mm case, 1.4 mm narrower
What changes
Compare models Quartz movement instead of solar
Elliot Brown
OSO Limited Edition
- 43 mm case, 1.4 mm narrower
What changes
Compare models Quartz movement instead of solar. 0.5 mm thinner case
Ratio
FreeDiver Professional RTF0xx
- 43 mm case, 1.4 mm narrower
What changes
Compare models Quartz movement instead of solar. 0.7 mm thicker case
Resco
R-TAG DLC
- 44 mm case, 0.4 mm narrower
What changes
Compare models Quartz movement instead of solar. 1.1 mm thicker case
Resco
Stainless Red
- 44 mm case, 0.4 mm narrower
What changes
Compare models Quartz movement instead of solar. 1.1 mm thicker case
Sangin Instruments
Professional Chronograph
- 44 mm case, 0.4 mm narrower
What changes
Compare models Quartz movement instead of solar
Momentum
Torpedo Blast Eclipse Solar
- 44 mm case, 0.4 mm narrower
- Both use solar movements
What changes
1.4 mm thinner case
Cooper Watches
MWC 2024 Pattern Military Divers
- 44 mm case, 0.4 mm narrower
What changes
Compare models Quartz movement instead of solar. 1.2 mm thicker case
Luminox
Leatherback SEA Turtle Giant 0329 44mm
- 44 mm case, 0.4 mm narrower
What changes
Compare models Quartz movement instead of solar
Luminox
Leatherback SEA Turtle Giant 44mm
- 44 mm case, 0.4 mm narrower
What changes
Compare models Quartz movement instead of solar
Mainstream picks· 12
Established-brand matches. Compare the recorded dimensions, movement and price for each watch.
Timex
Essex Avenue
- 44 mm case, 0.4 mm narrower
What changes
Compare models Quartz movement instead of solar
Casio
MDV-106 Duro
- 44.2 mm case, 0.2 mm narrower
What changes
Compare models Quartz movement instead of solar. 0.2 mm thicker case
Timex
Gamer Black Jacksonville Jaguars
- 42 mm case, 2.4 mm narrower
What changes
Compare models Quartz movement instead of solar. 0.9 mm thinner case
Timex
Deepwater Reef 200 GMT
- 41 mm case, 3.4 mm narrower
What changes
Compare models Quartz movement instead of solar
Casio
MDV-107D
- 46.3 mm case, 1.9 mm wider
What changes
Compare models Quartz movement instead of solar. 0.2 mm thicker case
Casio
GAC-2500
- 44.5 mm case, 0.1 mm wider
What changes
Compare models Quartz movement instead of solar. 0.8 mm thicker case
Festina
Multifunction F20445
- 43 mm case, 1.4 mm narrower
What changes
Quartz movement instead of solar. 0.5 mm thinner case
AETHELSOHN
Solaris Solar Chronograph
- 40 mm case, 4.4 mm narrower
- Both use solar movements
What changes
Compare models Dimensions alone do not establish wrist fit.
Citizen
Garrison
- 43 mm case, 1.4 mm narrower
- Both use solar movements
What changes
Lug-to-lug is not recorded for this match.
Citizen
Garrison
- 43 mm case, 1.4 mm narrower
- Both use solar movements
What changes
Lug-to-lug is not recorded for this match.
Glycine
Combat Sub
- 40 mm case, 4.4 mm narrower
What changes
Compare models Quartz movement instead of solar. 0.8 mm thinner case
Cheaper alternatives· 2
Matches in a lower price band. A recorded MSRP difference is shown only when both prices are known.
Timex
Expedition Scout Fabric Slip-Thru
- 40 mm case, 4.4 mm narrower
What changes
Compare models Quartz movement instead of solar
Pricier alternatives· 12
Matches in a higher price band. Check the specifications to decide whether the differences matter to you.
Citizen
AT9036-08E
- 44 mm case, 0.4 mm narrower
- Both use solar movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Citizen
Promaster Dive Blue Dial Polyurethane Strap
- 44 mm case, 0.4 mm narrower
- Both use solar movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Timex
Deepwater Meridian 200
- 44 mm case, 0.4 mm narrower
What changes
Compare models Quartz movement instead of solar
Citizen
Promaster Aqualand
- 46 mm case, 1.6 mm wider
- Both use solar movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Bulova
Icon Precisionist Stainless Steel
- 46 mm case, 1.6 mm wider
What changes
Compare models Quartz movement instead of solar
Seiko
Prospex Sea Solar Diver's
- 42.8 mm case, 1.6 mm narrower
- Both use solar movements
What changes
1.2 mm thinner case
Seiko
Prospex SNE597
- 41 mm case, 3.4 mm narrower
- Both use solar movements
What changes
Compare models 0.6 mm thinner case
Timex
Deepwater Arctic
- 40.5 mm case, 3.9 mm narrower
What changes
Compare models Quartz movement instead of solar
Tissot
Seastar 1000 Chronograph
- 45.5 mm case, 1.1 mm wider
What changes
Compare models Quartz movement instead of solar. 0.9 mm thicker case
Bulova
Icon Precisionist Chronograph
- 46.5 mm case, 2.1 mm wider
What changes
Compare models Quartz movement instead of solar
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