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Browse/Alternatives/Casio GM-B2100SD
Casio GM-B2100SD
Finding alternatives to

Alternatives to the Casio GM-B2100SD

Ref. GM-B2100SD

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

Case
44.4mm
Movement
Quartz
Category
Sport
MSRP
$600
The short answer

The closest alternative to the Casio GM-B2100SD is the Tissot T-Race ($650) — common cross-shop and Looks nearly identical. If price is the constraint, the Casio ECB-2300D at $280 (vs $600 for the GM-B2100SD) covers most of the same brief. From the independents, the Elliot Brown CANFORD: 202-004 is the standout microbrand take — looks nearly identical and Quartz. Stepping up, the Citizen ATTESA ($2,250) is where the same idea goes with a bigger budget.

ColourwayPick a colorway to match a specific dial
53 matches

Microbrand picks· 12

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

Elliot Brown CANFORD: 202-004
Elliot Brownmicro

CANFORD: 202-004

12 variants
44mm·Quartz·200m WR
$270MSRP
vsCompare with the Casio GM-B2100SD
Luminox Navy SEAL Chronograph 45mm
Luminoxmicro

Navy SEAL Chronograph 45mm

3 variants
45mm·Quartz·200m WR
$845MSRP
vsCompare with the Casio GM-B2100SD
Luminox Pacific Diver Chronograph 44mm
Luminoxmicro

Pacific Diver Chronograph 44mm

2 variants
44mm·Quartz·200m WR
$995MSRP
vsCompare with the Casio GM-B2100SD
Filippo Loreti Watches Oscura All Black 45mm Leather
Filippo Loreti Watchesmicro

Oscura All Black 45mm Leather

2 variants
45mm·Quartz·100m WR
$190MSRP
vsCompare with the Casio GM-B2100SD
Luminox Pacific Diver 44mm
Luminoxmicro

Pacific Diver 44mm

5 variants
44mm·Quartz·200m WR
$895MSRP
vsCompare with the Casio GM-B2100SD
AVI-8 Hawker Harrier Dual Retrograde Chronograph
AVI-8micro

Hawker Harrier Dual Retrograde Chronograph

2 variants · Hawker
44mm·Quartz
$310MSRP
vsCompare with the Casio GM-B2100SD
Elliot Brown DHU Special Edition Canford
Elliot Brownmicro
dhu special canford

DHU Special Edition Canford

 
44mm·Quartz·418m WR
$473MSRP
vsCompare with the Casio GM-B2100SD
Balticus Watches Balticus Perun Chrono Moonphase - Limited Edition
Balticus Watchesmicro
Perun

Balticus Perun Chrono Moonphase - Limited Edition

 
42mm·Quartz·200m WR
$1,024MSRP
vsCompare with the Casio GM-B2100SD
Jorg Gray Watches JG8400
Jorg Gray Watchesmicro

JG8400

4 variants
44mm·Quartz·100m WR
$495MSRP
vsCompare with the Casio GM-B2100SD
Islander Rocky Point Analog-Digital Watch with Black Dial #ISL-327
Islandermicro
Under $50

Rocky Point Analog-Digital Watch with Black Dial #ISL-327

 
43mm·Quartz·100m WR
$449MSRP
vsCompare with the Casio GM-B2100SD
Jorg Gray Watches JG9700
Jorg Gray Watchesmicro

JG9700

3 variants
46mm·Quartz·200m WR
$595MSRP
vsCompare with the Casio GM-B2100SD
Dryden Chrono Diver Series 1
Drydenmicro

Chrono Diver Series 1

13 variants · Chrono Diver
42mm·Quartz·101m WR
$349MSRP
vsCompare with the Casio GM-B2100SD

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.

Tissot T-Race
Tissot

T-Race

7 variants
38/45mm·Quartz·100m WR
$650MSRP
vsCompare with the Casio GM-B2100SD
Citizen Nighthawk
Citizen
Eco-Drive

Nighthawk

Ref. CA0295
42mm·Solar·200m WR
$431MSRP
vsCompare with the Casio GM-B2100SD
Citizen Promaster Skyhawk A-T
Citizen

Promaster Skyhawk A-T

2 variants · Promaster
46mm·Quartz·200m WR
$671MSRP
vsCompare with the Casio GM-B2100SD
Tissot Chrono XL Classic
Tissot

Chrono XL Classic

4 variants
45mm·Quartz·100m WR
$495MSRP
vsCompare with the Casio GM-B2100SD
Citizen Promaster Skyhawk A-T
Citizen

Promaster Skyhawk A-T

3 variants · Promaster
45mm·Quartz·200m WR
$596MSRP
vsCompare with the Casio GM-B2100SD
Tissot PRC 200
Tissot
PR 100

PRC 200

2 variants
43mm·Quartz·200m WR
$595MSRP
vsCompare with the Casio GM-B2100SD
Hamilton Jazzmaster Chrono Quartz
Hamilton

Jazzmaster Chrono Quartz

2 variants · Ref. H32612131
42mm·Quartz·100m WR
$1,075MSRP
vsCompare with the Casio GM-B2100SD
Bulova Lunar Pilot
Bulova

Lunar Pilot

 
45mm·Quartz
$695MSRP
vsCompare with the Casio GM-B2100SD
Seiko SPC057P1
Seiko

SPC057P1

 
44mm·Quartz·100m WR
$497Historical price (2011-11-03)
vsCompare with the Casio GM-B2100SD
Seiko Coutura
Seiko

Coutura

4 variants
44.6/45.3/45.5mm·Quartz·100m WR
$625MSRP
vsCompare with the Casio GM-B2100SD
Casio G-SHOCK G-STEEL GST-B500
Casio

G-SHOCK G-STEEL GST-B500

 
48.9mm·Solar·200m WR
$314MSRP
vsCompare with the Casio GM-B2100SD
Bulova Icon Precisionist Men's Grey Black Dial Chronograph Watch
Bulova

Icon Precisionist Men's Grey Black Dial Chronograph Watch

 
46.5mm·Quartz·300m WR
$1,095MSRP
vsCompare with the Casio GM-B2100SD

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.

Casio ECB-2300D
Casio
Edifice

ECB-2300D

 
45.8mm·Quartz·100m WR
$280MSRP
vsCompare with the Casio GM-B2100SD
Casio EFV-650D
Casio
Edifice

EFV-650D

3 variants · Edifice
43.5mm·Quartz·100m WR
$120MSRP
vsCompare with the Casio GM-B2100SD
Casio EQS-960PB
Casio
Edifice

EQS-960PB

 
44.5mm·Quartz·100m WR
$240MSRP
vsCompare with the Casio GM-B2100SD
Timex Essex Avenue 44mm Stainless Steel Bracelet Watch - TW2Y28800
Timex

Essex Avenue 44mm Stainless Steel Bracelet Watch - TW2Y28800

 
44mm·Quartz·200m WR
$102MSRP
vsCompare with the Casio GM-B2100SD
Timex Expedition Scout 40mm Leather Strap Watch - TW4B34000
Timex

Expedition Scout 40mm Leather Strap Watch - TW4B34000

 
40mm·Quartz·200m WR
$46MSRP
vsCompare with the Casio GM-B2100SD
Timex Waterbury Traditional Fly Back Chronograph 43mm Stainless Steel Bracel - TW2Y29800
Timex

Waterbury Traditional Fly Back Chronograph 43mm Stainless Steel Bracel - TW2Y29800

 
43mm·Quartz·100m WR
$187MSRP
vsCompare with the Casio GM-B2100SD
Seiko Essentials Chronograph
Seiko

Essentials Chronograph

6 variants · Essentials
41.5/43mm·Quartz·100m WR
$265MSRP
vsCompare with the Casio GM-B2100SD
Citizen AN8190-51L
Citizen

AN8190-51L

 
42mm·Quartz·100m WR
$233MSRP
vsCompare with the Casio GM-B2100SD
Citizen Garrison
Citizen
Eco-Drive

Garrison

Ref. AW1430
43mm·Solar·100m WR
$206MSRP
vsCompare with the Casio GM-B2100SD
Citizen Promaster Professional Diver
Citizen
Promaster DiverPromaster

Promaster Professional Diver

4 variants · Promaster
44mm·Solar·200m WR
$296MSRP
vsCompare with the Casio GM-B2100SD
Swatch Big Bold Irony
Swatch
Red

Big Bold Irony

5 variants · Red
47mm·Quartz
$205MSRP
vsCompare with the Casio GM-B2100SD
Swatch Big Bold Jelly
Swatch
Blackinjelly

Big Bold Jelly

Ref. SO27E101
47mm·Quartz
$125MSRP
vsCompare with the Casio GM-B2100SD

Pricier alternatives· 12

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

Citizen ATTESA
Citizen

ATTESA

4 variants · Ref. CC4055
44.6mm·Solar·100m WR
$2,250MSRP
vsCompare with the Casio GM-B2100SD
Bulova Black Dial EPDM Rubber Strap Series X 98B358
Bulova
Series X

Black Dial EPDM Rubber Strap Series X 98B358

2 variants
45mm·Quartz·300m WR
$4,750MSRP
vsCompare with the Casio GM-B2100SD
Citizen ATTESA
Citizen

ATTESA

3 variants · Ref. CC4050
44.6mm·Solar·100m WR
$1,995MSRP
vsCompare with the Casio GM-B2100SD
Citizen ATTESA
Citizen

ATTESA

2 variants · Ref. CC4105
43.2mm·Solar·100m WR
$1,995MSRP
vsCompare with the Casio GM-B2100SD
Seiko Astron
Seiko

Astron

4 variants
43.3mm·Quartz·100m WR
$2,700MSRP
vsCompare with the Casio GM-B2100SD
Breitling Endurance Pro
Breitling
Professional

Endurance Pro

55 variants · Professional
38/44mm·Quartz·100m WR
$3,700MSRP
vsCompare with the Casio GM-B2100SD
Seiko Astron
Seiko

Astron

3 variants
44.1mm·Quartz·100m WR
$3,100MSRP
vsCompare with the Casio GM-B2100SD
Hamilton Khaki Aviation X-Wind GMT Chrono Quartz
Hamilton

Khaki Aviation X-Wind GMT Chrono Quartz

3 variants · Ref. H77912135
46mm·Quartz·100m WR
$1,245MSRP
vsCompare with the Casio GM-B2100SD
Seiko Astron GPS Solar 2025 Limited Edition
Seiko

Astron GPS Solar 2025 Limited Edition

4 variants · Astron
43.4mm·Quartz·100m WR
$2,900MSRP
vsCompare with the Casio GM-B2100SD
Tissot T-Touch Connect Sport Jungfraubahn
Tissot

T-Touch Connect Sport Jungfraubahn

 
43.75mm·Quartz
$1,295MSRP
vsCompare with the Casio GM-B2100SD
Tissot T-Touch Connect Sport
Tissot

T-Touch Connect Sport

 
43.75mm·Quartz
$1,250MSRP
vsCompare with the Casio GM-B2100SD
Tissot T-Touch Connect Solar
Tissot

T-Touch Connect Solar

 
47.5mm·Quartz·100m WR
$1,350MSRP
vsCompare with the Casio GM-B2100SD

Homages & lookalikes· 5

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 AddiesKIN 40mm Crystallized Titanium Dial K006
Addiesdivehomage

AddiesKIN 40mm Crystallized Titanium Dial K006

3 variants
40mm·Automatic·200m WR
$340MSRP
vsCompare with the Casio GM-B2100SD
Pagani Design PD-1707
Pagani Designhomage
Chronograph

PD-1707

3 variants
40mm·Quartz·100m WR
$123MSRP
vsCompare with the Casio GM-B2100SD
Pagani Design PD-1791
Pagani Designhomage
Automatic

PD-1791

4 variants
42mm·Automatic
$161MSRP
vsCompare with the Casio GM-B2100SD
Pagani Design PD-YS010
Pagani Designhomage
Automatic

PD-YS010

5 variants
50mm·Automatic·100m WR
$247MSRP
vsCompare with the Casio GM-B2100SD
San Martin San Martin Multi-Function Luxury SN075GB
San Martinhomage

San Martin Multi-Function Luxury SN075GB

3 variants
38mm·Automatic·100m WR
$379MSRP
vsCompare with the Casio GM-B2100SD
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