Casio GM-S2110BP-5AvsScurfa Diver One ND513 Black 300m

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Casio GM-S2110BP-5A at true scale

GM-S2110BP-5A

Scurfa Diver One ND513 Black 300m at true scale

Diver One ND513 Black 300m

Diameter

40.5mm

40mm

Thickness

11mm

n/a

Water Resistance

200m

300m

highest

MSRP

$210

$194

lowest

Movement

5730

Ronda 513SM

Case

5 specs
Diameter
40.5mm
40mm
Thickness
11mm
n/a
Lug Width
n/a
20mm
Material
Resin / Resin (Bio-based) / Stainless steel
Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

1 specs
Crystal
Mineral
n/a

Movement

1 specs
Caliber
5730
Ronda 513SM

Pricing

1 specs
MSRP
$210
$194
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Casio GM-S2110BP-5A

Owners note the Casio GM-S2110BP-5A's strap gets dirty easily but cleans well, and the watch itself resists scratches during frequent wear. Some owners lament the lack of a positive display and find the lume could be brighter. A metal conversion kit is available, transforming the watch into a daily wearer. Overall, owners appreciate the Casio GM-S2110BP-5A for its scratch resistance and the potential for customization via modding kits.

Scurfa Diver One ND513 Black 300m

Owners widely praise the Scurfa Diver One ND513 Black 300m as an excellent tool watch, valuing its toughness, legibility, and 300m water resistance. Reviewers and owners alike highlight the robust 40mm case and precise 120-click bezel, with one owner appreciating its versatility as an everyday and business-casual watch. The watch features tritium lume, a domed sapphire crystal with blue AR coating, and a matte black dial. Some owners note the lume is not as impressive as on the brand's higher-end models. Overall, owners rate the Scurfa Diver One ND513 Black 300m highly for its robust build and tool-watch functionality at its price point.

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