Mr. Eatwell GMT Challenger — Red & Blue PepsivsSeiko Monster
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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.

GMT Challenger — Red & Blue Pepsi

Monster
Diameter
40mm
42.4mm
Lug-to-Lug
n/a
49.4mm
Thickness
13.6mm
13.4mm
lowest
Water Resistance
200m
200m
Power Reserve
n/a
41h
MSRP
$495
lowest
$550
Movement
Seiko NH34
Seiko 4R36
Case
3 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Mr. Eatwell GMT Challenger — Red & Blue Pepsi for its beautiful red and blue bezel and excellent value. One owner is super happy, finding it feels and looks good, and praises the awesome customer service. However, community members note issues with the bezel's blue coloring, stating it appears to use the same V2 insert as before, and the red is considered a more obvious tell. Overall, owners rate the Mr. Eatwell GMT Challenger — Red & Blue Pepsi highly for its aesthetic appeal and value proposition, despite some reservations about the bezel coloring.
Owners widely praise the Seiko Monster for its superb lume and comfortable wearability, with reviewers noting its robust build and excellent value. The bezel action is described as smoother and more precise than some alternatives, and the inclusion of drilled lugs is a functional benefit. One owner found the 42.4mm case size perfect, while another with smaller wrists felt it was substantial. Overall, owners and reviewers rate the Seiko Monster highly for its exceptional value and reliable dive watch performance.
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