Casio GM-2100vsLum-Tec B71

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GM-2100
CasioGM-2100

Ref. GM-2100·MSRP $220

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B71
Lum-TecB71

MSRP $595

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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 GM-2100 at true scale

GM-2100

Lum-Tec B71 at true scale

B71

Diameter

44.4mm

44mm

Lug-to-Lug

49.3mm

lowest

51.5mm

Thickness

11.8mm

n/a

Water Resistance

200m

200m

MSRP

$220

lowest

$595

Movement

Quartz

Ronda 515

Case

6 specs
Diameter
44.4mm
44mm
Thickness
11.8mm
n/a
Lug-to-Lug
49.3mm
51.5mm
Lug Width
n/a
22mm
Material
Resin / Stainless steel
316L Stainless Steel (DLC coated)
Finish
n/a
n/a

Crystal & Dial

3 specs
Crystal
Mineral
Domed Sapphire
AR Coating
No
n/a
Dial Color
Black
B71

Movement

2 specs
Caliber
n/a
Ronda 515
Power Reserve
n/a
0h

Pricing

1 specs
MSRP
$220
$595
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