The authenticity of the watch has been checked and certified by Sebastian, who is one of Sweden's leading watch experts.

This vintage Cartier 21 Must 28mm watch is presented in good condition and features a two-tone stainless steel and gold-plated bracelet, an engraved Roman numeral bezel, a cream dial with blue steel hands, and a blue cabochon sapphire crown. Ideal for everyday wear, business lunches, or evening occasions, it brings classic Cartier elegance to any look.

Q: What size is this watch, and how does it wear?
A: This Cartier 21 Must has a 28 mm case, giving it a compact and classic vintage look on the wrist. It is best suited to those who prefer a smaller, refined watch profile.

Q: Will this watch fit my wrist?
A: The bracelet is currently sized to fit a wrist of 15 cm or smaller. If your wrist is larger, the fit may be too snug unless it can be adjusted by a watchmaker or fitted with additional links.

Q: What size is this watch, and how does it wear?
A: This Cartier 21 Must has a 28 mm case, giving it a compact and classic vintage look on the wrist. It is best suited to those who prefer a smaller, refined watch profile.

Q: Will this watch fit my wrist?
A: The bracelet is currently sized to fit a wrist of 15 cm or smaller. If your wrist is larger, the fit may be too snug unless it can be adjusted by a watchmaker or fitted with additional links.

Q: Is this a quartz or mechanical watch?
A: Reference 1340 is generally a quartz Cartier model, meaning it is battery-powered rather than manually wound or automatic. That makes it straightforward for day-to-day wear and easy to maintain.

Q: What are the key design details of this watch?
A: This piece features a two-tone stainless steel and gold-plated bracelet, an engraved Roman numeral bezel, a cream dial, blue steel hands, and Cartier’s signature blue cabochon sapphire crown. It is a Swiss-made vintage design with a distinctly timeless look.

Q: What condition is the watch in?
A: The watch is listed in good overall condition. Please note that there are scratches on the case and bracelet, while the internal condition is described as good.

Q: Is it safe to wear this watch in water?
A: As this is a vintage watch, we recommend treating it as splash-sensitive unless it has been recently pressure-tested by a professional. It is best to avoid showering, swimming, or prolonged exposure to water.

Q: When should the battery be changed or the watch serviced?
A: Quartz Cartier watches typically need a battery change every few years. If the watch stops, loses time, or shows irregular seconds-hand movement, it is best to have it checked by Cartier or a qualified watchmaker.

Q: Does this watch come with the original box, papers, or extra accessories?
A: No. According to the product information, this watch comes with no accessories.

Q: Is the serial number or production year known?
A: The serial number is noted as illegible, and the exact production year is not specified in the product information. The reference number is 1340, which identifies it as a vintage Cartier 21 Must model.

Q: How should I care for a vintage two-tone Cartier watch?
A: Wipe the case and bracelet gently with a soft, dry cloth after wear, and avoid perfume, cleaning chemicals, humidity, and knocks. Careful storage and periodic professional servicing will help preserve both the appearance and the function of the watch.

Q: What size is this watch, and how does it wear?
A: This Cartier 21 Must has a 28 mm case, giving it a compact and classic vintage look on the wrist. It is best suited to those who prefer a smaller, refined watch profile.

Q: Will this watch fit my wrist?
A: The bracelet is currently sized to fit a wrist of 15 cm or smaller. If your wrist is larger, the fit may be too snug unless it can be adjusted by a watchmaker or fitted with additional links.

Q: Is this a quartz or mechanical watch?
A: Reference 1340 is generally a quartz Cartier model, meaning it is battery-powered rather than manually wound or automatic. That makes it straightforward for day-to-day wear and easy to maintain.

Q: What are the key design details of this watch?
A: This piece features a two-tone stainless steel and gold-plated bracelet, an engraved Roman numeral bezel, a cream dial, blue steel hands, and Cartier’s signature blue cabochon sapphire crown. It is a Swiss-made vintage design with a distinctly timeless look.

Q: What condition is the watch in?
A: The watch is listed in good overall condition. Please note that there are scratches on the case and bracelet, while the internal condition is described as good.

Q: Is it safe to wear this watch in water?
A: As this is a vintage watch, we recommend treating it as splash-sensitive unless it has been recently pressure-tested by a professional. It is best to avoid showering, swimming, or prolonged exposure to water.

Q: When should the battery be changed or the watch serviced?
A: Quartz Cartier watches typically need a battery change every few years. If the watch stops, loses time, or shows irregular seconds-hand movement, it is best to have it checked by Cartier or a qualified watchmaker.

Q: Does this watch come with the original box, papers, or extra accessories?
A: No. According to the product information, this watch comes with no accessories.

Q: Is the serial number or production year known?
A: The serial number is noted as illegible, and the exact production year is not specified in the product information. The reference number is 1340, which identifies it as a vintage Cartier 21 Must model.

Q: How should I care for a vintage two-tone Cartier watch?
A: Wipe the case and bracelet gently with a soft, dry cloth after wear, and avoid perfume, cleaning chemicals, humidity, and knocks. Careful storage and periodic professional servicing will help preserve both the appearance and the function of the watch.