Casio GAC-2500vsLuminox Navy SEAL Foundation 3600 45mm

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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 GAC-2500 at true scale

GAC-2500

Luminox Navy SEAL Foundation 3600 45mm at true scale

Navy SEAL Foundation 3600 45mm

Diameter

44.5mm

45mm

Thickness

12.7mm

lowest

14mm

Water Resistance

200m

200m

MSRP

$145

lowest

$745

Movement

5757

Quartz

Case

4 specs
Diameter
44.5mm
45mm
Thickness
12.7mm
14mm
Lug Width
n/a
24mm
Material
Resin
CARBONOX™

Crystal & Dial

1 specs
Crystal
Mineral
Sapphire

Movement

1 specs
Caliber
5757
n/a

Pricing

1 specs
MSRP
$145
$745
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Reviews

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

Casio GAC-2500

The Casio GAC-2500 earns praise from its reviewer for a dial that reads cleanly, with well-spaced, horizontally aligned hands, a beveled date aperture, and a stopwatch that displays as a digit, which is practical for running. The main criticism is the bracelet and clasp: the links feel loose with noticeable gaps, and the pressed-steel clasp offers only three micro-adjustment points. Community input is thin, since the only owner-side source is a spec post that notes magnetically held hands can briefly sit wrong after an impact. Overall, the reviewer rates the Casio GAC-2500 well for its dial and running functionality, with the bracelet fit being the main reservation.

Luminox Navy SEAL Foundation 3600 45mm

Owners widely praise the Luminox Navy SEAL Foundation 3600 45mm for its constant tritium lume, durable and lightweight Carbonox case, and overall reliability, with one owner noting theirs still looks good after 10 years of service. The watch's always-visible luminous dial is ideal for low-light conditions and its 45mm case is water-resistant to 200m. One reviewer noted the vertically oriented tritium tubes and a cyclops over the date as potentially incongruous additions. Owners report varying experiences with customer service, including a month-long delay and warranty denial for one individual, while another owner loves theirs. Overall, owners and reviewers rate the Luminox Navy SEAL Foundation 3600 45mm highly for its robust build and dependable tritium illumination.

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