Q: What size is this Cartier 21 Must watch?
A: This watch has a 31 mm case, which gives it an elegant mid-size look on the wrist. It is a versatile vintage Cartier size that can suit buyers who prefer a refined, classic profile rather than an oversized watch.

Q: What wrist size will the bracelet fit?
A: According to the product information, the bracelet fits a 16 cm wrist or smaller. If your wrist is larger, you may wish to compare this measurement carefully before purchasing.

Q: Is this watch quartz or automatic?
A: This model has a quartz movement. Many shoppers ask this because the Cartier 21 Must line is commonly found in quartz versions, and quartz is appreciated for its convenience, slim profile, and easy daily wear.

Q: How often does a Cartier quartz watch usually need a battery change?
A: Cartier advises that quartz watch batteries typically last at least around three years on average, although actual life can vary with age and use. For a vintage watch, professional battery replacement is recommended to help protect the case and seals.

Q: Can this watch be worn in water?
A: As with most vintage watches, it is best to be cautious around water unless the watch has been pressure-tested recently. Cartier notes that water resistance depends on seals that age over time, so occasional checks are advisable and the crown should always be fully in position before any contact with water.

Q: What are the signature design details of this watch?
A: This piece features a stainless steel case and bracelet, a silver dial with blued steel hands, an engraved Roman numeral bezel, and a blue cabochon crown. These details give the Cartier 21 Must its recognisable blend of sporty and classic styling.

Q: What is the reference number for this watch?
A: The product information lists this watch as reference 1330. This is a commonly searched reference within the Cartier 21 Must family and can be useful when comparing model details or researching the design.

Q: What condition is this watch in?
A: The overall condition is listed as good. The product information notes light scratches on the case and bracelet, with shiny hardware showing scratches as well. The internal condition is also described as good.

Q: Does this watch come with box, papers, or other extras?
A: No. The product information states that this watch comes with no accessories. If original packaging or documents are important to you, please make your decision based on that listing detail.

Q: How do you authenticate a vintage Cartier watch like this?
A: Every item sold by A Retro Tale is rigorously vetted by in-house experts through detailed checks of materials, finishing, construction, signatures, and other model-specific details. We stand behind the authenticity of the pieces we offer.