Side by side

Casio GBM-2100AvsOblvlo FM DSL Automatic

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

Add a watch
GBM-2100A
CasioGBM-2100A
MSRP $280
See the full GBM-2100A
FM DSL Automatic
OblvloFM DSL Automatic
MSRP $229
See the full FM DSL Automatic
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 Oblvlo ↗
Buy used on eBay ↗

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

At a glance

16 of 29 specs differ
Diameter
GBM-2100A44.4mm
FM DSL Automatic40mm
Power Reserve
GBM-2100A—
FM DSL Automatic42h
Water Resistance
GBM-2100A200m
FM DSL Automatic50m
MSRP
GBM-2100A$280
FM DSL Automatic$229

Full specifications

Case

8 specs
Category
Sport
Dress
Diameter
44.4mm
40mm
Thickness
11.9mm
11mm
Lug-to-Lug
49.3mm
0mm
Lug Width
—
21mm
Material
Bio-based Resin / Stainless steel
Stainless Steel
Finish
—
—
Water Resistance
200m
50m

Crystal & Dial

3 specs
Crystal
Mineral
Sapphire
AR Coating
No
—
Dial Color
Silver
—

Movement

4 specs
Caliber
—
Miyota 8215
Type
Quartz
Automatic
Power Reserve
—
42h
Jewels
0
21

Pricing

1 specs
MSRP
$280
$229
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
Duxot Alicante Rainbow Automatic
Duxotmicro

Alicante Rainbow Automatic

2 variantsAlicante Rainbow
38mm·Automatic
$229MSRP
—Used
Bertucci A-4T Super Yankee Illuminated
Bertuccimicro

A-4T Super Yankee Illuminated

Ref. 13481
44mm·Quartz
$595MSRP
—Used
Duxot Atlantica 40 Rainbow Automatic
Duxotmicro

Atlantica 40 Rainbow Automatic

10 variantsAtlantica 40
40mm·Automatic·100m WR
$269MSRP
—Used
Oblvlo RX Day-Date
Oblvlomicro
RX Series

RX Day-Date

40mm·Automatic
$336MSRP
—Used
Citizen Promaster Professional Diver
Citizen
Promaster DiverPromaster

Promaster Professional Diver

9 watches · 18 variantsPromaster
44mm·Solar·200m WR
$296MSRP
—Used
Omnis Eon
Omnismicro
Temporelle

Eon

12 variantsSeries
41.5mm·Automatic
$701MSRP
—Used
Bremont Lady K
Bremontmicro

Lady K

8 variantsLady K
34mm·Automatic
$6,700MSRP
—Used
All alternatives to the GBM-2100A →All alternatives to the FM DSL Automatic →
Explore the full catalog

Follow this matchup

Get a note when Casio GBM-2100A vs Oblvlo FM DSL Automatic 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.

Oblvlo FM DSL AutomaticvsJorg Gray Watches JG8400Filippo Loreti Watches Oscura All Black 45mm LeathervsOblvlo FM DSL AutomaticBERNY BERNY-Men Automatic Skeleton Gold Watch-AM7018MvsOblvlo FM DSL AutomaticCWC (Cabot Watch Company) 1987 SBS Quartz Diver Re-Issue WatchvsOblvlo FM DSL AutomaticCasio GBM-2100AvsDuxot Alicante Rainbow AutomaticCasio GBM-2100AvsOblvlo RX Day-Date
Edit this comparisonAdd another watchExplore more 39–46mm watches