Q: What is the Cartier Panthère 27mm Ref 8839 18k Gold Watch?
A: It’s a vintage, Swiss‑made Cartier Panthère with a 27mm square case in solid 18k yellow gold, an integrated 18k gold bracelet, off‑white Roman numeral dial with date, blued‑steel sword hands, and a Swiss quartz movement. The bracelet features a concealed folding clasp for a seamless look.

Q: What movement and battery does it use, and how long will the battery last?
A: The watch is powered by a Swiss quartz movement. Battery type can vary by calibre; many similar Cartier quartz models use a common silver‑oxide cell such as 377 (SR626SW) or 371 (SR920SW). Please have a professional confirm the exact cell for this reference. Typical battery life is around 2–3 years depending on use and storage.

Q: Is it water‑resistant and can I wear it in the shower or for swimming?
A: Many Panthère models were originally rated for light water resistance (often around 30m), but water resistance on vintage watches is not guaranteed. We recommend treating it as splash‑resistant at best and avoiding showers, swimming or submersion unless it has been freshly serviced, re‑sealed and pressure‑tested by an authorised watchmaker.

Q: How do I set the time and date on this quartz Panthère?
A: Gently pull the crown to the first click to set the date, and to the second click to set the time. Avoid changing the date between approximately 8pm and 2am to protect the mechanism. When finished, push the crown back in firmly. This model typically has a push‑pull crown rather than a screw‑down crown.

Q: Will the 27mm size suit my wrist, and is it unisex?
A: The 27mm case is traditionally a medium ladies’ size, but it wears elegantly and can be worn unisex depending on style preference. This bracelet fits wrists up to approximately 16cm (based on the listed bracelet perimeter). If you’re unsure, share your wrist measurement and we’ll advise on fit and sizing.

Q: Can the 18k gold bracelet be resized, and are extra links available?
A: Yes—bracelet sizing is possible by adding or removing links. We can help size it before shipping, and additional genuine Cartier links can often be sourced subject to availability and cost. For any adjustments, use a trusted jeweller experienced with solid gold bracelets.

Q: How does the concealed folding clasp operate?
A: The clasp is integrated for a seamless look. To open, gently lift the bracelet where the clasp meets and the fold‑over sections will release; to close, align the links and press until they click securely. Avoid forcing the mechanism and check that it is fully engaged before wear.

Q: What crystal and hands does the Panthère typically have?
A: Most Panthère models feature a scratch‑resistant sapphire crystal and Cartier’s signature blued‑steel sword‑shaped hands. Specifications can vary by reference and era; we can confirm the exact details for this watch on request.

Q: How should I care for an 18k gold Cartier Panthère?
A: Wipe the case and bracelet with a soft microfibre cloth. Avoid abrasive cleaners, chemicals, perfumes and prolonged UV. Keep the watch away from strong magnets, and store it separately to prevent scratches. Replace the battery every 2–3 years and have the seals checked if light water resistance is desired.

Q: What is included (box/papers), and how do you guarantee authenticity?
A: This listing is delivered with no accessories unless otherwise stated. A Retro Tale professionally authenticates every item and offers a 12‑month mechanical guarantee, free insured DHL shipping, and a 14‑day return policy. We own all watches listed and can provide additional photos or details upon request.