Casio GAC-2500vsLuminox Navy SEAL Foundation 3250 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 3250 45mm at true scale

Navy SEAL Foundation 3250 45mm

Diameter

44.5mm

45mm

Thickness

12.7mm

lowest

14mm

Water Resistance

200m

200m

MSRP

$145

lowest

$845

Movement

5757

Ronda 715

Case

4 specs
Diameter
44.5mm
45mm
Thickness
12.7mm
14mm
Lug Width
n/a
24mm
Material
Resin
316L Stainless steel

Crystal & Dial

2 specs
Crystal
Mineral
Sapphire
Dial Color
Black
Sand

Movement

1 specs
Caliber
5757
Ronda 715

Pricing

1 specs
MSRP
$145
$845
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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 3250 45mm

The Luminox Navy SEAL Foundation 3250 45mm is widely praised for its durability, light weight, and exceptional scratch resistance, particularly due to its Carbonox case material, making it suitable for rugged activities. Owners consistently highlight its always-visible luminous dial, powered by tritium gas tubes, as a key advantage for low-light and nighttime readability. One owner notes the "NAVY SEALS" text on the dial is a rarer feature on this specific model compared to later "Swiss Quartz" versions. While one owner reported water ingress after three years on a metal-cased Luminox, another owner's 15-year-old Navy Seal has performed well with only battery changes. The watch features a sapphire crystal and 200m water resistance. On balance, owners highly value the Luminox Navy SEAL Foundation 3250 45mm for its robust build and reliable, continuous lume.

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