Side by side

Casio GMA-S2100vsSternglas Naos Mondphase

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

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GMA-S2100
CasioGMA-S2100
MSRP $110
See the full GMA-S2100
Naos Mondphase
SternglasNaos Mondphase
MSRP $323
See the full Naos Mondphase
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At a glance

15 of 29 specs differ
Diameter
GMA-S210042.9mm
Naos Mondphase38mm
Power Reserve
GMA-S2100—
Naos Mondphase—
Water Resistance
GMA-S2100200m
Naos Mondphase50m
MSRP
GMA-S2100$110
Naos Mondphase$323

Full specifications

Case

8 specs
Category
Sport
Chronograph
Diameter
42.9mm
38mm
Thickness
11.2mm
10mm
Lug-to-Lug
46.2mm
42mm
Lug Width
—
20mm
Material
Carbon / Resin
Stainless Steel
Finish
—
—
Water Resistance
200m
50m

Crystal & Dial

4 specs
Crystal
Mineral
Sapphire
AR Coating
No
—
Dial Color
Black
—
Lume
None
Luminova Punkten

Movement

2 specs
Caliber
—
Seiko VJ76
Jewels
0
—

Pricing

1 specs
MSRP
$110
$323
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