Side by side
Audemars Piguet Royal Oak Selfwinding Ruby "50ᵀᴴ Anniversary" 37mmvsCasio GM-2100
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 Selfwinding Ruby "50ᵀᴴ Anniversary" 37mm37mm
GM-210044.4mm
Power Reserve
Royal Oak Selfwinding Ruby "50ᵀᴴ Anniversary" 37mm60h
GM-2100—
Water Resistance
Royal Oak Selfwinding Ruby "50ᵀᴴ Anniversary" 37mm20m
GM-2100200m
MSRP
Royal Oak Selfwinding Ruby "50ᵀᴴ Anniversary" 37mm—
GM-2100$220
Full specifications
Case
6 specsDiameter
37mm
44.4mm
Thickness
—
11.8mm
Lug-to-Lug
—
49.3mm
Material
18-carat white gold
Resin / 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
5909
—
Type
Automatic
Quartz
Power Reserve
60h
—
Pricing
1 specsMSRP
—
$220
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 Selfwinding Ruby "50ᵀᴴ Anniversary" 37mm vs Casio GM-2100 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 GM-2100vsValour Watches AstralBiatec FusionvsCasio GM-2100Casio GM-2100vsTedoro Harmony 36mm Stainless Steel Seiko NH35ACasio GM-2100vsSpecht & Sohne SP0020A AutomaticAudemars Piguet Royal Oak Selfwinding Ruby "50ᵀᴴ Anniversary" 37mmvsFilippo Loreti Watches Oscura All Black 45mm LeatherAudemars Piguet Royal Oak Selfwinding Ruby "50ᵀᴴ Anniversary" 37mmvsJorg Gray Watches JG8400