Side by side

Casio GMD-B300vsSeiko Essentials Quartz

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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GMD-B300
CasioGMD-B300
MSRP $135
See the full GMD-B300
Essentials Quartz
SeikoEssentials Quartz
MSRP $265
See the full Essentials Quartz
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At a glance

15 of 29 specs differ
Diameter
GMD-B30043.8mm
Essentials Quartz40.2mm
Power Reserve
GMD-B300—
Essentials Quartz—
Water Resistance
GMD-B300200m
Essentials Quartz100m
MSRP
GMD-B300$135
Essentials Quartz$265

Full specifications

Case

8 specs
Category
Sport
Dress
Diameter
43.8mm
40.2mm
Thickness
12mm
8.3mm
Lug-to-Lug
46.4mm
47mm
Lug Width
—
20mm
Material
Resin / Bio-based resin
—
Finish
—
—
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal
Mineral
Sapphire
AR Coating
No
—
Dial Color
Black
—
Lume
None
LumiBrite on Hands

Movement

2 specs
Caliber
—
6N52
Power Reserve
—
0h

Pricing

1 specs
MSRP
$135
$265
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