Side by side
Audemars Piguet Royal Oak Perpetual Calendar “John Mayer” 41mmvsCasio GM-B2100SD
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Royal Oak Perpetual Calendar “John Mayer” 41mm41mm
GM-B2100SD44.4mm
Power Reserve
Royal Oak Perpetual Calendar “John Mayer” 41mm40h
GM-B2100SD—
Water Resistance
Royal Oak Perpetual Calendar “John Mayer” 41mm20m
GM-B2100SD200m
MSRP
Royal Oak Perpetual Calendar “John Mayer” 41mm—
GM-B2100SD$600
Full specifications
Case
6 specsDiameter
41mm
44.4mm
Thickness
—
12.8mm
Lug-to-Lug
—
49.8mm
Material
18-carat white gold
Stainless Steel
Finish
18-carat white gold
—
Water Resistance
20m
200m
Crystal & Dial
3 specsCrystal
Sapphire
Mineral
AR Coating
—
No
Dial Color
—
Black
Movement
3 specsCaliber
5134
—
Type
Automatic
Quartz
Power Reserve
40h
—
Pricing
1 specsMSRP
—
$600
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