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Browse/Alternatives/Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Finding alternatives to

Alternatives to the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST

Ref. SM2021ST

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

Case
30mm
Movement
Quartz
Category
Diver
MSRP
$121
The short answer

The closest alternative to the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST is the Casio MDV-106 Duro ($85) — pro diver and Looks nearly identical. If price is the constraint, the Timex Expedition Scout 40mm Fabric Slip-Thru Strap Watch - TW4B15500 at $50 (vs $121 for the COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST) covers most of the same brief. From the independents, the Cooper Watches MWC 300m Military Divers Watch (Quartz) is the standout microbrand take — pro diver and Visually similar. Stepping up, the Timex Deepwater Meridian 200 38mm HNBR Rubber Strap Watch ($269) is where the same idea goes with a bigger budget.

ColourwayPick a colorway to match a specific dial
41 matches

Microbrand picks· 12

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

Cooper Watches MWC 300m Military Divers Watch (Quartz)
Cooper Watchesmicro

MWC 300m Military Divers Watch (Quartz)

2 variants
31mm·Quartz·300m WR
$241MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Cooper Watches MWC No Date Sub Watch (sterile dial)
Cooper Watchesmicro

MWC No Date Sub Watch (sterile dial)

 
31mm·Quartz·300m WR
$279MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
La Touraine Maritimer Sport Edition
La Tourainemicro

Maritimer Sport Edition

9 variants
41.3mm·Quartz·200m WR
$150MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Ratio FreeDiver Professional Sapphire RTF0xx
Ratiomicro

FreeDiver Professional Sapphire RTF0xx

3 variants
43mm·Quartz·200m WR
$110MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Ratio FreeDiver Professional 200M Quartz 22AD202
Ratiomicro

FreeDiver Professional 200M Quartz 22AD202

8 variants
43mm·Quartz·200m WR
$110MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Lum-Tec Solar Marine
Lum-Tecmicro

Solar Marine

2 variants
39mm·Solar·300m WR
$595MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Momentum Sea Quartz 30 Eclipse - Combined Listing
Momentummicro

Sea Quartz 30 Eclipse - Combined Listing

4 variants
42mm·Solar·300m WR
$329MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Ratio 2nd Generation Free Diver Helium-Safe Quartz 1038EF102V-BLU-V02 1000M Mens Watch
Ratiomicro

2nd Generation Free Diver Helium-Safe Quartz 1038EF102V-BLU-V02 1000M Mens Watch

 
49mm·Quartz·1000m WR
$160MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Scurfa M.S.19 Diver One Limited Edition
Scurfamicro

M.S.19 Diver One Limited Edition

 
40mm·Quartz·500m WR
$232MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Scurfa M.S.21 Diver One Limited Edition
Scurfamicro
Diver

M.S.21 Diver One Limited Edition

2 variants
40mm·Quartz·500m WR
$264MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Scurfa M.S.25 Black PVD Diver One Limited Edition
Scurfamicro

M.S.25 Black PVD Diver One Limited Edition

 
40mm·Quartz·500m WR
$334MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Elliot Brown BLOXWORTH
Elliot Brownmicro

BLOXWORTH

6 variants
40mm·Quartz·200m WR
$564MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST

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.

Casio MDV-106 Duro
Casio

MDV-106 Duro

2 variants
44.2mm·Quartz·200m WR
$85MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Timex Diver Inspired 42mm Stainless Steel Bracelet Watch
Timex

Diver Inspired 42mm Stainless Steel Bracelet Watch

 
42mm·Quartz·200m WR
$82MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Timex Deepwater Reef 200 41mm Synthetic Rubber Strap Watch
Timex

Deepwater Reef 200 41mm Synthetic Rubber Strap Watch

2 variants
41mm·Quartz·200m WR
$239MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Timex Expedition Field Solar 41mm Eco-Friendly Fabric Strap Watch - TW2Y30000
Timex

Expedition Field Solar 41mm Eco-Friendly Fabric Strap Watch - TW2Y30000

 
41mm·Quartz·200m WR
$153MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Casio MDV-107D
Casio
MDV-107D-1A1VEF

MDV-107D

 
46.3mm·Quartz·200m WR
$120MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Swatch Reflective
Swatch
Blue

Reflective

Ref. YVS539
43mm·Quartz
$210MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Swatch In the Mirror
Swatch
Midday

In the Mirror

Ref. YVS541G
43mm·Quartz
$235MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Casio GM-2100
Casio
G-Shock

GM-2100

2 variants · G-Shock
44.4mm·Quartz·200m WR
$220MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Swatch Blue Grid
Swatch

Blue Grid

Ref. YVS454
43mm·Quartz
$210MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Bulova Light Blue Dial Stainless Steel Bracelet Sport 43M125
Bulova
Sport

Light Blue Dial Stainless Steel Bracelet Sport 43M125

 
30mm·Quartz
$175MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Citizen AN8190-51L
Citizen

AN8190-51L

 
42mm·Quartz·100m WR
$233MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Seiko SUR449
Seiko

SUR449

 
40.2mm·Quartz·100m WR
$235MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST

Cheaper alternatives· 5

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

Timex Expedition Scout 40mm Fabric Slip-Thru Strap Watch - TW4B15500
Timex

Expedition Scout 40mm Fabric Slip-Thru Strap Watch - TW4B15500

 
40mm·Quartz·200m WR
$50MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Timex Expedition Scout 40mm Leather Strap Watch - TW4B34000
Timex

Expedition Scout 40mm Leather Strap Watch - TW4B34000

 
40mm·Quartz·200m WR
$46MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Timex Expedition Scout 40mm Fabric Strap Watch - TW4B32900
Timex

Expedition Scout 40mm Fabric Strap Watch - TW4B32900

 
40mm·Quartz·200m WR
$50MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Casio AE-1500WH
Casio

AE-1500WH

9 variants
51.2mm·Quartz·100m WR
$40MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Casio LA680
Casio

LA680

2 variants
28.6mm·Quartz
$55MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST

Pricier alternatives· 12

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

Timex Deepwater Meridian 200 38mm HNBR Rubber Strap Watch
Timex

Deepwater Meridian 200 38mm HNBR Rubber Strap Watch

2 variants
38mm·Quartz·200m WR
$269MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Timex Deepwater Meridian 200 44mm Synthetic Rubber Strap Watch
Timex

Deepwater Meridian 200 44mm Synthetic Rubber Strap Watch

3 variants
44mm·Quartz·200m WR
$279MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Yema Navygraf Marine Nationale Femme
Yema

Navygraf Marine Nationale Femme

 
34mm·Quartz·100m WR
$399MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Timex Deepwater Reef 200 GMT 41mm Synthetic Rubber Strap Watch
Timex

Deepwater Reef 200 GMT 41mm Synthetic Rubber Strap Watch

2 variants
41mm·Quartz·200m WR
$289MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Longines CONQUEST
Longines

CONQUEST

Ref. L3.376.4.96.6
29.5mm·Quartz·300m WR
$900MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Victorinox Journey 1884
Victorinox

Journey 1884

3 variants · Ref. 241975
43mm·Quartz·200m WR
$750MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Tissot Seastar 1000 Chronograph
Tissot

Seastar 1000 Chronograph

 
45.5mm·Quartz·300m WR
$650MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Glycine Men's Combat Sub Sport GMT 42mm Quartz Watch GL1051
Glycine

Men's Combat Sub Sport GMT 42mm Quartz Watch GL1051

 
42mm·Quartz·200m WR
$1,295MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Glycine Men's Combat Sub Sport 42mm Quartz Watch GL1013
Glycine

Men's Combat Sub Sport 42mm Quartz Watch GL1013

 
42mm·Quartz·200m WR
$995MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Glycine Men's Combat Sub 40mm Quartz Watch GL1062
Glycine

Men's Combat Sub 40mm Quartz Watch GL1062

 
40mm·Quartz·200m WR
$895MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Tissot Seastar 1000
Tissot

Seastar 1000

11 variants
36/38/40/45.5mm·Quartz·300m WR
$515MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
Citizen Promaster Professional Diver
Citizen
Promaster DiverPromaster

Promaster Professional Diver

4 variants · Promaster
44mm·Solar·200m WR
$296MSRP
vsCompare with the Cooper Watches COOPER SUBMASTER STEEL FINISH ROYAL NAVY MILITARY DIVERS WATCH SM2021ST
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