V9 Factory 2025 highly recommends the professional quality of the V8 upgraded version Cartier Ballon Bleu series watches in 28MM/33MM/36MM/42MM sizes.1. Transparency: Brighter and more transparent, showcasing a unique dazzling fire under sunlight.2. Materials: Made of full steel, featuring a sapphire glass mirror, baked blue hands, and a blue spinel crown.3. Sizes: . - Women's: 28mm Swiss quartz movement, 33mm, and 36mm NH05 mechanical movement. - Men's: 42mm/2824 mechanical movement.V9 Factory 2025 is dedicated to creating exquisite watches, a masterpiece of craftsmanship. We welcome your appreciation of the 33mm diameter mechanical model.