Sell outright, consign or part-exchange

1

Outright Sale

The fastest route. Accept our offer and we pay the same day by bank transfer.

2

Consignment

We sell your GMT-Master II on your behalf, which can earn you more than an outright sale.

3

Part Exchange

Put your GMT-Master II’s value towards another Rolex, a Patek Philippe, Audemars Piguet or other watch from our stock, and pay or receive the difference. See how part-exchange works.

Why sell your GMT-Master II to Diamond Brothers

  • Same-day payment. Accept the offer and the money is sent by bank transfer that day.
  • Walk-ins welcome. Visit 13 South Molton Street, a short walk from Bond Street station, for an in-person quote and offer.
  • Free, no-obligation quote. Send the model, reference and photos online and we reply with an initial figure within 24 hours.
  • Checked by our in-house watchmaker. Movement, dial, hands, bezel, case and bracelet are inspected for originality before the final offer.
  • Three ways to sell. Outright sale, consignment, or part-exchange against a watch from our stock.
  • Rated 5.0 on Google from over 200 reviews and 4.9 on Trustpilot. Over 10 years in the trade, and customers regularly mention Ben and Charlie by name.
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1. Quote

Walk in, or send photos online for a reply within 24 hours.
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2. Delivery

Fully insured delivery if you post your watch.
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3. Inspection

Checked by our in-house watchmaker. No obligation to accept.
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4. Payment

Same-day bank transfer once you accept.

GMT-Master II models we buy

We buy modern and vintage Rolex GMT-Master II watches, with or without box and papers, including:

  • Steel: 126710BLRO “Pepsi”, 126710BLNR “Batman”, 126710GRNR, 126720VTNR “Sprite”
  • Two-tone and gold: 126711CHNR and 126715CHNR “Root Beer”, 126713GRNR, 126718GRNR
  • Previous: 116710LN, 116710BLNR, 116713LN, 16710 and 16700
  • Vintage: 1675 and other early GMT-Masters

We also sell the Rolex GMT-Master II, so we know the current market for each reference. Browse our GMT-Master II stock. Selling a different Rolex? See Sell Your Rolex. Diamond Brothers is an independent dealer and is not affiliated with Rolex SA.

Luxury Watch Brands We Consider

Looking to sell a luxury watch? Our team considers enquiries across a range of prestigious watch brands, with every timepiece assessed individually.

Get Your Free GMT-Master II Quote

Find out how much your GMT-Master II could be worth. Complete our online quote form and provide details and photographs of your watch for an initial assessment.

Visit us

Diamond Brothers, 13 South Molton Street, Mayfair, London W1K 5QW. Walk-ins welcome. Open Monday to Saturday 10:30–17:30, Sunday 11:00–16:00. Call 07394 551 829.

Frequently Asked Questions

Where can I sell my Rolex GMT-Master II in London?

Diamond Brothers buys Rolex GMT-Master II watches at 13 South Molton Street, Mayfair, London W1K 5QW. Walk-ins are welcome, quotes are free and we pay the same day by bank transfer once you accept our offer.

Which GMT-Master II models do you buy?

We buy GMT-Master II models in steel, two-tone and gold, including the “Pepsi”, “Batman”, “Sprite” and “Root Beer”, as well as earlier 16710 and vintage 1675 references.

How quickly will I be paid for my GMT-Master II?

The same day. Once you accept our final offer, we send payment by bank transfer that day.

Do I need the original box and papers?

No. Box and papers can add value and provenance, but we buy GMT-Masters without them. Each watch is assessed on its reference, condition and originality.

How do you value my GMT-Master II?

Our in-house watchmaker inspects the movement, dial, hands, bezel, case and bracelet. We then price it against current market demand for that reference.

Can I part-exchange my GMT-Master II?

Yes. Put your GMT-Master II’s value towards another watch from our stock and pay or receive the difference. Consignment is also available and can earn you more than an outright sale.

What if I don’t accept the offer?

There is no obligation. If you decide not to sell after inspection, we return your watch free of charge and fully insured.

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