Side by side

Casio GM-B2100SDvsOrient Star Modern Skeleton

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

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GM-B2100SD
CasioGM-B2100SD
MSRP $600
See the full GM-B2100SD
Modern Skeleton
Orient StarModern Skeleton
MSRP $600
See the full Modern Skeleton
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At a glance

13 of 29 specs differ
Diameter
GM-B2100SD44.4mm
Modern Skeleton41mm
Power Reserve
GM-B2100SD—
Modern Skeleton50h
Water Resistance
GM-B2100SD200m
Modern Skeleton100m
MSRP
GM-B2100SD$600
Modern Skeleton$600

Full specifications

Case

6 specs
Category
Sport
Mechanical
Diameter
44.4mm
41mm
Thickness
12.8mm
12mm
Lug-to-Lug
49.8mm
49mm
Lug Width
—
21mm
Water Resistance
200m
100m

Crystal & Dial

3 specs
Crystal
Mineral
Sapphire
AR Coating
No
Yes
Dial Color
Black
White

Movement

4 specs
Caliber
—
Orient F6F44
Type
Quartz
Automatic
Power Reserve
—
50h
Jewels
0
24
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