Aera Instruments D-1 DivervsUndone Undone x Nicola Formichetti
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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.

D-1 Diver

Undone x Nicola Formichetti
Diameter
44mm
43mm
Lug-to-Lug
49.5mm
n/a
Thickness
15.9mm
n/a
Water Resistance
300m
highest
200m
Power Reserve
41h
n/a
MSRP
$3,200
$1,899
lowest
Movement
Sellita SW200-1
Sellita SW200-1
Case
5 specsDiameter
44mm
43mm
Thickness
15.9mm
n/a
Lug-to-Lug
49.55mm
n/a
Lug Width
22mm
n/a
Water Resistance
300m
200m
Movement
1 specsPower Reserve
41h
n/a
Pricing
1 specsMSRP
$3,200
$1,899
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