Side by side
Audemars Piguet Royal Oak Perpetual Calendar "150ᵀᴴ Anniversary" 41mmvsCasio GBM-2100A
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 "150ᵀᴴ Anniversary" 41mm41mm
GBM-2100A44.4mm
Power Reserve
Royal Oak Perpetual Calendar "150ᵀᴴ Anniversary" 41mm40h
GBM-2100A—
Water Resistance
Royal Oak Perpetual Calendar "150ᵀᴴ Anniversary" 41mm20m
GBM-2100A200m
MSRP
Royal Oak Perpetual Calendar "150ᵀᴴ Anniversary" 41mm—
GBM-2100A$280
Full specifications
Case
6 specsDiameter
41mm
44.4mm
Thickness
—
11.9mm
Lug-to-Lug
—
49.3mm
Material
Titanium
Bio-based Resin / Stainless steel
Finish
Titanium
—
Water Resistance
20m
200m
Crystal & Dial
3 specsCrystal
Sapphire
Mineral
AR Coating
—
No
Dial Color
—
Silver
Movement
3 specsCaliber
5135
—
Type
Automatic
Quartz
Power Reserve
40h
—
Pricing
1 specsMSRP
—
$280
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