Here are three very different watches with a Two Hemisphere Moonphase Display, showing the phase of the moon as seen from both the northern and southern hemisphere.
Best, Emmanuel
A/ ARNOLD & SON HM Double Hemisphere Perpetual Moon, ref. 1GLAR.U03A.C122A
Case: 42 mm, red gold
Movement: manual winding Caliber A&S1512 with 90 hours of power reserve from twin spring barrels
credit: Hodinkee
B/ HERMÈS ARCEAU L'Heure De La Lune with 'Black Sahara' Meteorite Dial
Diameter: 43 mm white gold case
Dial Color: Black Sahara meteorite
Caliber: Hermès manufacture H1837 with exclusive module
credit: The 1916 Company
C/ OMEGA SPEEDMASTER MOONPHASE, ref. 304.30.43.52.06.001
43 x
13,61 x 48,60 mm
steel case
Dial: galvanic grey-coated meteorite dial on a blue PVD-coated base
BONUS: Waning crescent Moon as seen from the Northern Hemisphere (left) and Southern Hemisphere (right)
credit: Nasa