Side by side

Casio GM-B2100SDvsGeckota Chronotimer Chronograph

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

Add a watch
GM-B2100SD
CasioGM-B2100SD
MSRP $600
See the full GM-B2100SD
Chronotimer Chronograph
GeckotaChronotimer Chronograph
MSRP $299
See the full Chronotimer Chronograph
Buy from Casio ↗
Buy used on eBay ↗
Buy from Geckota ↗
Buy used on eBay ↗

At a glance

14 of 29 specs differ
Diameter
GM-B2100SD44.4mm
Chronotimer Chronograph42mm
Power Reserve
GM-B2100SD—
Chronotimer Chronograph—
Water Resistance
GM-B2100SD200m
Chronotimer Chronograph100m
MSRP
GM-B2100SD$600
Chronotimer Chronograph$299

Full specifications

Case

8 specs
Category
Sport
Chronograph
Diameter
44.4mm
42mm
Thickness
12.8mm
13mm
Lug-to-Lug
49.8mm
—
Lug Width
—
22mm
Material
Stainless Steel
316L Stainless Steel
Finish
—
—
Water Resistance
200m
100m

Crystal & Dial

3 specs
Crystal
Mineral
Domed Sapphire
AR Coating
No
—
Dial Color
Black
Classic Reverse Panda

Movement

2 specs
Caliber
—
—
Power Reserve
—
0h

Pricing

1 specs
MSRP
$600
$299
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.

Citizen Promaster Skyhawk A-T
Citizen

Promaster Skyhawk A-T

9 watches · 24 variantsPromaster
45mm·Quartz·200m WR
$596MSRP
—Used
Dan Henry 1939
Dan Henrymicro

1939

41mm·Quartz
$290MSRP
—Used
Citizen Promaster Professional Diver
Citizen
Promaster DiverPromaster

Promaster Professional Diver

9 watches · 22 variantsPromaster
45mm·Solar·200m WR
$356MSRP
—Used
Yema Flygraf Bi-Compax French Air Force
Yemamicro

Flygraf Bi-Compax French Air Force

5 watches · 7 variantsFlygraf
40mm·Quartz·100m WR
$490MSRP
—Used
Wolbrook Skindiver WT Chrono-Mecaquartz
Wolbrookmicro

Skindiver WT Chrono-Mecaquartz

9 watches · 65 variantsSkindiver
40mm·Quartz·100m WR
$432MSRP
—Used
Tissot Seastar 1000 Chronograph
Tissot

Seastar 1000 Chronograph

45.5mm·Quartz·300m WR
$650MSRP
—Used
Yema Rallygraf Meca-Quartz II
Yemamicro

Rallygraf Meca-Quartz II

4 watches · 10 variantsRallygraf
40mm·Quartz
$450MSRP
—Used
Tissot PRC 200
Tissot
PR 100

PRC 200

2 variantsPRC 200
43mm·Quartz·200m WR
$595MSRP
—Used
All alternatives to the GM-B2100SD →All alternatives to the Chronotimer Chronograph →
Explore the full catalog

Follow this matchup

Get a note when Casio GM-B2100SD vs Geckota Chronotimer Chronograph 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.

Elliot Brown CANFORD: 202-004vsGeckota Chronotimer ChronographGeckota Chronotimer ChronographvsJorg Gray Watches JG8400Geckota Chronotimer ChronographvsJorg Gray Watches JG9700BERNY BERNY-Men Quartz Fashion Watch-2285VMvsGeckota Chronotimer ChronographCasio GM-B2100SDvsWolbrook Skindiver WT Chrono-MecaquartzCasio GM-B2100SDvsDryden Chrono Diver Series 1
Edit this comparisonAdd another watchExplore more 41–46mm watches