Side by side
Audemars Piguet Royal Oak Perpetual Calendar 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 41mm41mm
GBM-2100A44.4mm
Power Reserve
Royal Oak Perpetual Calendar 41mm40h
GBM-2100A—
Water Resistance
Royal Oak Perpetual Calendar 41mm20m
GBM-2100A200m
MSRP
Royal Oak Perpetual Calendar 41mm—
GBM-2100A$280
Full specifications
Case
6 specsDiameter
41mm
44.4mm
Thickness
—
11.9mm
Lug-to-Lug
—
49.3mm
Material
18-carat white gold
Bio-based Resin / Stainless steel
Finish
18-carat white gold
—
Water Resistance
20m
200m
Crystal & Dial
3 specsCrystal
Sapphire
Mineral
AR Coating
—
No
Dial Color
—
Silver
Movement
3 specsCaliber
5134
—
Type
Automatic
Quartz
Power Reserve
40h
—
Pricing
1 specsMSRP
—
$280
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
Follow this matchup
Get a note when Audemars Piguet Royal Oak Perpetual Calendar 41mm vs Casio GBM-2100A gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Casio GBM-2100AvsOblvlo GCM MechanicalCasio GBM-2100AvsOmnis EonAlexander Shorokhoff WintervsCasio GBM-2100AAlexander Shorokhoff Guilloché Automatic - Alexander Shorokhoff UhrenvsCasio GBM-2100AAudemars Piguet Royal Oak Perpetual Calendar 41mmvsJorg Gray Watches JG8400Audemars Piguet Royal Oak Perpetual Calendar 41mmvsBERNY BERNY-Men Automatic Skeleton Gold Watch-AM7018M