Side by side
Casio GBM-2100AvsProTek Watches Model PT1011 USMC
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures
Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures
At a glance
14 of 29 specs differDiameter
GBM-2100A44.4mm
Model PT1011 USMC42mm
Power Reserve
GBM-2100A—
Model PT1011 USMC—
Water Resistance
GBM-2100A200m
Model PT1011 USMC300m
MSRP
GBM-2100A$280
Model PT1011 USMC$525
Full specifications
Case
8 specsCategory
Sport
—
Diameter
44.4mm
42mm
Thickness
11.9mm
13.95mm
Lug-to-Lug
49.3mm
0mm
Lug Width
—
22mm
Material
Bio-based Resin / Stainless steel
Carbon
Finish
—
—
Water Resistance
200m
300m
Crystal & Dial
3 specsCrystal
Mineral
Sapphire
AR Coating
No
—
Dial Color
Silver
—
Movement
2 specsCaliber
—
Miyota 2S60
Power Reserve
—
0h
Pricing
1 specsMSRP
$280
$525
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
Follow this matchup
Get a note when Casio GBM-2100A vs ProTek Watches Model PT1011 USMC gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Jorg Gray Watches JG8400vsProTek Watches Model PT1011 USMCFilippo Loreti Watches Oscura All Black 45mm LeathervsProTek Watches Model PT1011 USMCBERNY BERNY-Men Automatic Skeleton Gold Watch-AM7018MvsProTek Watches Model PT1011 USMCCWC (Cabot Watch Company) 1987 SBS Quartz Diver Re-Issue WatchvsProTek Watches Model PT1011 USMCCasio GBM-2100AvsProTek Watches Model PT1013 USMCCasio GBM-2100AvsProTek Watches Model PT1015 USMC













