Illustrative image of square, rectangular, and round dress-watch shapes. Browse our Cartier collection for real examples.
Choose the Cartier Santos if you want a sporty, everyday luxury watch with a square case, exposed screws, and an easy-change bracelet. Choose the Tank if you want the most elegant, timeless dress watch, with its signature rectangular case. Choose the Ballon Bleu if you want a round, softer, contemporary design with its protected crown. All three are iconic; the right one depends on how you dress and how often you will wear it.
Cartier is one of the most asked-about brands at Pucks & Timepieces, and these are the three models most buyers compare. Here is the practical breakdown.
Santos de Cartier: the first pilot’s watch
Louis Cartier designed the Santos-Dumont in 1904 for aviator Alberto Santos-Dumont, who wanted to read the time while flying without taking his hands off the controls, according to Chrono24. Cartier introduced a metal bracelet for the Santos in 1978, with screws matching those on the bezel.
The current Santos de Cartier generation came in 2018. Automatic models come in Medium (35.1mm wide, 41.9mm lug-to-lug) and Large (39.8mm wide, 47.5mm lug-to-lug), and the Large adds a date, according to Bob’s Watches. Cartier lists the Large with Caliber 1847 MC, 10 bar of water resistance, QuickSwitch for tool-free strap changes, and SmartLink for tool-free bracelet sizing, per Cartier.
- Best for: buyers who want a Cartier they can wear every day, including in summer and on vacation.
Tank: the timeless dress watch
Cartier dates the Tank to 1917 and says its design was inspired by a military tank viewed from above. Its two parallel vertical sidebars, called brancards, are its signature feature, according to Cartier. The family has many versions, including the Tank Louis Cartier, Tank Must, Tank Américaine (1988), and Tank Française (1996).
- Best for: buyers who want an elegant dress watch that never looks dated.
- Consider: many Tank models use quartz or hand-wound movements and have modest water resistance. Check the specific reference before buying.
Ballon Bleu: the round contemporary icon
Cartier created the Ballon Bleu de Cartier in 2007 and says it is worn by both men and women, according to Cartier’s Ballon Bleu page. Its signature details are the rounded case and the crown protected within an arch, capped with a blue cabochon.
- Best for: buyers who prefer a round case and want a softer, more contemporary look.
- Consider: the domed case wears thicker than its look suggests, so try the size before buying.
How they compare
- Shape: Santos is square; Tank is rectangular; Ballon Bleu is round.
- Style: Santos is sporty-elegant; Tank is classic dress; Ballon Bleu is contemporary and soft.
- Everyday durability: the Santos is the most versatile, with 10 bar water resistance on current automatic models. Check Tank and Ballon Bleu references individually.
- Sizing: square and rectangular watches wear larger than round watches of similar stated size. Our watch size guide explains why.
Buying pre-owned Cartier
- Confirm the generation. The current Santos, Santos 100, and older Santos Galbée are different watches, and Tank families vary widely.
- Check the bracelet or strap system. Current Santos models use QuickSwitch and SmartLink. Earlier models may need tools to change straps or adjust links.
- Know the movement. Cartier offers quartz, automatic, and hand-wound models. All are valid choices, but they affect price and servicing.
- Look at polished surfaces. Cartier cases have polished edges and bevels that reveal over-polishing quickly.
Is Cartier a good value pre-owned?
Cartier has become one of the most popular brands with younger and first-time luxury buyers. Pre-owned prices for popular Santos and Tank models can remain strong, while less sought-after references often trade well below retail. For a current estimate, try our Watch Value Estimator, and read our guide to watch values for the factors that drive resale prices.
Cartier questions
Which Cartier is best for everyday wear?
The Santos, thanks to its bracelet, sporty design, and 10 bar water resistance on current automatic models.
Is the Tank a men’s or women’s watch?
Both. Tank models come in a range of sizes, and many men wear smaller Tanks as dress watches.
Which Santos size should I choose?
The Medium suits many wrists, while the Large has more presence and a date. Compare lug-to-lug lengths with the width of your wrist.
Find your Cartier
Browse the Cartier collection, or ask us to source a specific Santos, Tank, or Ballon Bleu. If you have a Cartier to sell, our consignment service can help.
