Audemars Piguet Royal Oak Concept Tourbillon Chronograph Openworked Selfwinding 44mmvsViribus Unitis Casa Austria
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Royal Oak Concept Tourbillon Chronograph Openworked Selfwinding 44mm

Casa Austria
Diameter
44mm
44mm
Thickness
n/a
13.8mm
Water Resistance
100m
100m
Power Reserve
65h
n/a
MSRP
n/a
$3,483
Movement
Audemars Piguet 2949
Sellita SW360-1
Case
4 specsThickness
n/a
13.8mm
Lug Width
n/a
22mm
Material
Titanium
Composite
Finish
Titanium
n/a
Movement
2 specsCaliber
Audemars Piguet 2949
Sellita SW360-1
Power Reserve
65h
n/a
Pricing
1 specsMSRP
n/a
$3,483
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