Side by side
Casio GBM-2100AvsLum-Tec B67 Day Date
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
GBM-2100A44.4mm
B67 Day Date44mm
Power Reserve
GBM-2100A—
B67 Day Date—
Water Resistance
GBM-2100A200m
B67 Day Date200m
MSRP
GBM-2100A$280
B67 Day Date$545
Full specifications
Case
6 specsDiameter
44.4mm
44mm
Thickness
11.9mm
13.6mm
Lug-to-Lug
49.3mm
51.5mm
Lug Width
—
22mm
Material
Bio-based Resin / Stainless steel
316L Stainless Steel (DLC coated)
Finish
—
—
Crystal & Dial
3 specsCrystal
Mineral
Domed Sapphire
AR Coating
No
—
Dial Color
Silver
B67 Day Date
Movement
2 specsCaliber
—
Ronda 515
Power Reserve
—
0h
Pricing
1 specsMSRP
$280
$545
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