Side by side

Casio GM-2100vsSwatch Big Bold Jelly

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Add a watch
GM-2100
CasioGM-2100
MSRP $220
See the full GM-2100
Big Bold Jelly
SwatchBig Bold Jelly
MSRP $125
See the full Big Bold Jelly
Buy from Casio ↗
Buy used on eBay ↗

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

Buy from Swatch ↗
Buy used on eBay ↗

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

At a glance

15 of 29 specs differ
Diameter
GM-210044.4mm
Big Bold Jelly47mm
Power Reserve
GM-2100—
Big Bold Jelly—
Water Resistance
GM-2100200m
Big Bold Jelly30m
MSRP
GM-2100$220
Big Bold Jelly$125

Full specifications

Case

7 specs
Category
Sport
Mechanical
Diameter
44.4mm
47mm
Thickness
11.8mm
11.75mm
Lug-to-Lug
49.3mm
44.8mm
Material
Resin / Stainless steel
Aluminium
Finish
—
Aluminium
Water Resistance
200m
30m

Crystal & Dial

3 specs
Crystal
Mineral
—
AR Coating
No
—
Dial Color
Black
Transparent

Movement

4 specs
Caliber
—
—
Power Reserve
—
0h
Hacking
No
Yes
Hand-winding
No
Yes

Pricing

1 specs
MSRP
$220
$125
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Bertucci A-5S Ballista Illuminated
Bertuccimicro
Ballista

A-5S Ballista Illuminated

Ref. 13553
45mm·Quartz
$545MSRP
—Used
Peacock Watches Ultra Speed Chronograph
Peacock Watchesmicro

Ultra Speed Chronograph

4 variantsSeries
45mm·Automatic
$1,799MSRP
—Used
Bertucci A-4T Super Yankee Illuminated
Bertuccimicro

A-4T Super Yankee Illuminated

Ref. 13481
44mm·Quartz
$595MSRP
—Used
Haigh & Hastings Reef Break
Haigh & Hastingsmicro

Reef Break

2 variantsSeries
46mm·Quartz·100m WR
—MSRP
—Used
BERNY BERNY-Men Automatic Classic Watch-AM079VM
BERNYmicro

BERNY-Men Automatic Classic Watch-AM079VM

7 variantsSeries
47.5mm·Quartz·198m WR
$147MSRP
—Used
Citizen Promaster Professional Diver
Citizen
Promaster DiverPromaster

Promaster Professional Diver

9 watches · 19 variantsPromaster
44mm·Solar·200m WR
$296MSRP
—Used
BERNY BERNY-Men Automatic Gold Classic Watch-AM179M-Y
BERNYmicro

BERNY-Men Automatic Gold Classic Watch-AM179M-Y

2 variantsSeries
47mm·Quartz·198m WR
$147MSRP
—Used
Citizen Brycen
Citizen

Brycen

4 watches · 8 variantsBrycen
44.8mm·Solar·100m WR
$319MSRP
—Used
All alternatives to the GM-2100 →All alternatives to the Big Bold Jelly →
Explore the full catalog

Follow this matchup

Get a note when Casio GM-2100 vs Swatch Big Bold Jelly gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Filippo Loreti Watches Oscura All Black 45mm LeathervsSwatch Big Bold JellyJorg Gray Watches JG8400vsSwatch Big Bold JellyElliot Brown CANFORD: 202-004vsSwatch Big Bold JellySwatch Big Bold JellyvsVero Watch Company WorkhorseCasio GM-2100vsHaigh & Hastings Reef BreakCasio GM-2100vsPeacock Watches Ultra Speed Chronograph
Edit this comparisonAdd another watchExplore more 43–48mm watches