Casio GMC-2500vsCWC Quartz Divers Watch Mk.2 Day/Date Polished Case

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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 GMC-2500 at true scale

GMC-2500

CWC Quartz Divers Watch Mk.2 Day/Date Polished Case at true scale

Quartz Divers Watch Mk.2 Day/Date Polished Case

Diameter

43.8mm

41mm

Lug-to-Lug

n/a

47mm

Thickness

12.9mm

n/a

Water Resistance

200m

300m

highest

MSRP

$280

lowest

$608

Movement

5757

Ronda 517

Case

6 specs
Diameter
43.8mm
41mm
Thickness
12.9mm
n/a
Lug-to-Lug
n/a
47mm
Lug Width
n/a
20mm
Material
Resin / Stainless steel
Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

3 specs
Crystal
Mineral
Sapphire
Dial Color
Black
CWC Quartz Divers Watch Mk.2 Day/Date Polished Case (RN300-P QS120-DD)
Lume
None
Super-LumiNova

Movement

1 specs
Caliber
5757
Ronda 517

Pricing

1 specs
MSRP
$280
$608
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Reviews

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

Casio GMC-2500

Owners widely describe the Casio GMC-2500 as comfortable and not oversized despite its 43.8mm case, with one saying it feels perfect and that G-Shock wearers will find it familiar; owners of both the metal and resin versions report a great wearing experience. Reviewers call it an exceptional running watch, praising the high-contrast yellow dial, built-in light for night runs, and the date-wheel stopwatch as a real advantage over a small chronograph subdial. The main caveats are the bracelet, which reviewers say is loose with wide link gaps and a clasp offering only three micro-adjust points, and a magnetically held hand design that one owner-sourced account says can let the minute hand wobble and briefly sit wrong after impacts, a flaw Casio itself acknowledges. Overall, owners and reviewers rate the Casio GMC-2500 well, mainly for its running usability and comfortable wear.

CWC Quartz Divers Watch Mk.2 Day/Date Polished Case

Owners widely praise the CWC Quartz Divers Watch Mk.2 Day/Date Polished Case for its excellent case finishing, improved lume, and a satisfyingly solid 120-click bezel, with one owner noting the seconds hand hitting markers spot-on. Reviewers mention the polished case is unusual for a military-style watch, and some owners lament the significant price increase over previous models. Overall, owners rate the CWC Quartz Divers Watch Mk.2 Day/Date Polished Case highly for its case finishing and value.

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