Vintage Cartier 21 Must de Cartier 28mm Ref 1340 Watch - A Retro Tale

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A Retro Tale

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Monday – Friday 9 - 17 CET
+ 46 10–160 60 44
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A Retro Tale AB - Organisationsnummer 559038-7444

We are proud to offer only the finest certified vintage and second-hand fashion accessories from the world's most exclusive fashion houses. All products meet our strict standard of excellence.

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MARKET & LANGUAGE

Europe

Backed by H&M GROUP

A Retro Tale AB–Org 559038-7444

We make luxury accessible for all. We are proud to offer only the finest certified vintage and second-hand fashion accessories from the world's most exclusive fashion houses. All products meet our strict standard of excellence.We make luxury accessible for all. We are proud to offer only the finest certified vintage and second-hand fashion accessories from the world's most exclusive fashion houses. All products meet our strict standard of excellence.

HELP & SUPPORT

FAQ

Delivery & Returns

Track your order

+46 10-160 60 44

[email protected]

Monday - Friday 9-17 CET

VISIT OUR STORE

Norrlandsgatan 15

111 43, Stockholm

Mood Stockholm - Floor 3

[email protected]

+46 70 730 76 41

Opening hours

Mon-Fri: 10-19

Sat: 10-18

Sun: 11-17

SELL

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[email protected]

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MARKET & LANGUAGE

Europe

NEWSLETTER

Help & Support

Visit our store

Sell

A Retro Tale

You are always welcome to contact us if you have any questions:

Monday – Friday 9 - 17 CET
+ 46 10–160 60 44
[email protected]

Backed by H&M GROUP

A Retro Tale AB - Organisationsnummer 559038-7444

We are proud to offer only the finest certified vintage and second-hand fashion accessories from the world's most exclusive fashion houses. All products meet our strict standard of excellence.

Legal & privacy

Terms & conditions

Pay directly or in installments

Insured and traceable deliveries

NEWSLETTER

Get 10% off your first purchase and discover exclusive offers before anyone else! See discount terms here.

By signing up to the A Retro Tale newsletter you agree to our Terms & Conditions.

MARKET & LANGUAGE

Europe

Backed by H&M GROUP

A Retro Tale AB–Org 559038-7444

HELP & SUPPORT

FAQ

Delivery & Returns

Track your order

+46 10-160 60 44

[email protected]

Monday - Friday 9-17 CET

VISIT OUR STORE

Norrlandsgatan 15

111 43, Stockholm

Mood Stockholm - Floor 3

[email protected]

+46 70 730 76 41

Opening hours

Mon-Fri: 10-19

Sat: 10-18

Sun: 11-17

SELL

Get a free valuation

How it works

[email protected]

A RETRO TALE

About us

Authentication

Sourcing

Sustainability

Stories

Join our affiliate program

Store

Legal & privacy

Terms & conditions

Accessibility Adjustments

Insured and traceable deliveries

Q: What is the Cartier 21 Must de Cartier 28mm Ref 1340?
A: It’s a vintage, Swiss‑made quartz wristwatch with a compact 28mm two‑tone case (stainless steel with gold‑plated accents), a fixed bezel engraved with Roman numerals, a silver‑tone dial with blued steel hands, and Cartier’s signature blue sapphire cabochon on the crown. Elegant, reliable, and refined for everyday dress wear.

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. Many Must 21 models commonly use a 377/SR626SW silver‑oxide cell, but the exact battery can vary—please have a professional confirm before replacement. Typical battery life is about 2–3 years depending on usage and storage.

Q: Is it water‑resistant, and can I swim with it?
A: As a vintage watch, water resistance is not guaranteed without recent servicing and pressure testing. Treat it as splash‑resistant at best and avoid swimming, showering, or submersion. If light moisture resistance is important, have the gaskets inspected and replaced by an authorised watchmaker and always ensure the crown is fully pushed in.

Q: How do I set the time on this model?
A: Gently pull the crown out to the setting position and turn it to set the hands; when finished, push the crown back in firmly to help maintain water resistance. The crown features a blue sapphire cabochon—avoid using tools that could chip or scratch it. This 28mm variant typically has no date, so there’s no date‑setting step.

Q: Will it fit my wrist, and can the bracelet be resized?
A: This piece fits a wrist up to approximately 17cm. The integrated bracelet can be sized by removing or adding links; extra links can sometimes be sourced subject to availability and may incur a fee. Share your wrist measurement and we’ll advise on sizing options before shipment.

Q: Does the Roman numeral bezel rotate or have a timing function?
A: No—the bezel is fixed and decorative, with engraved Roman numerals that frame the dial. It does not rotate and has no timing function.

Q: What crystal does it have, and is it scratch‑resistant?
A: Must 21 models from this era often feature a sapphire crystal, though specifics can vary by year and reference. We can confirm the crystal type for this exact watch on request. Sapphire is highly scratch‑resistant; avoid hard knocks and abrasives to prevent chips or damage.

Q: Will the gold‑plated accents wear, and how should I care for the finish?
A: Gold‑plated surfaces can show wear on high‑contact areas over time. Clean with a soft, dry microfiber cloth; avoid abrasive polishing, harsh chemicals, perfumes, and solvents. Store the watch away from magnets and moisture, and have seals checked periodically to preserve condition.

Q: Can I swap the bracelet for a strap?
A: The 21 Must de Cartier has an integrated bracelet design, so standard straps are not directly compatible. Aftermarket conversion options exist but fit and quality vary. If you’re considering a strap change, contact us for advice tailored to this reference.

Q: Is it authentic, what’s included, and do you offer a warranty?
A: A Retro Tale thoroughly inspects and authenticates every item. This watch is Swiss‑made and sold with a Cartier service pouch as listed. We provide a 12‑month warranty on the movement; if you need additional documentation, photos, or confirmation of reference/serial details (e.g., Ref 1340), we’re happy to assist.