Bulova Marine StarvsCasio GMB2100GD-5A
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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.

Marine Star

GMB2100GD-5A
Diameter
45mm
44.4mm
Thickness
n/a
12.8mm
Water Resistance
200m
200m
MSRP
n/a
$600
Movement
Quartz
5691
Case
4 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Bulova Green Dial Stainless Steel Bracelet Marine Star 98B469 is praised for its robust build, with alternating polished and satin finishes on the stainless steel case providing pleasant visual contrast. Owners report solid build quality and a well-finished case with a dial that offers good depth, contributing to a sturdy overall feel and good value for the price. One owner notes the quartz movement keeps virtually perfect time, with the second hand hitting its marks precisely. However, some reviewers express a desire for a sweeping second hand and better lume, and one owner found the 45mm sizing of a previous Marine Star model too large. Overall, owners rate the Bulova Green Dial Stainless Steel Bracelet Marine Star 98B469 highly for its build quality and precise timekeeping at its price point.
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.
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