An exceptional and rarely seen complication, this Cartier Ballon Bleu 37 Moonphase Watch combines the Maison’s iconic design with a highly sought-after moonphase function. Crafted in stainless steel and powered by a refined automatic movement, this timepiece offers both horological substance and timeless elegance.
The 37mm Ballon Bleu case provides a perfect unisex fit, while the signature rounded profile, fluted crown with blue cabochon, and elegant dial layout remain instantly recognisable. The moonphase complication, seldom available within the Ballon Bleu line, elevates this watch into true collector territory, making it a standout choice for seasoned Cartier enthusiasts.
Presented in mint condition and accompanied by its original box and card, this piece offers peace of mind, provenance, and long-term desirability on the secondary luxury watch market.
Key Features
Brand: Cartier
Collection: Ballon Bleu
Model: 37mm Moonphase
Condition: Mint
Case Material: Stainless Steel
Movement: Automatic
Complication: Moonphase (Rare)
Size: 37mm
Set: Box & Card
Category: Cartier Automatic Watch / Cartier Complications
Elegant, uncommon, and highly collectible, the Cartier Ballon Bleu 37 Moonphase Automatic Steel Watch is a refined investment piece for those seeking rarity beyond standard Ballon Bleu models.



