Sell Your Rolex GMT-Master II in London
Diamond Brothers buys Rolex GMT-Master II watches from our showroom at 13 South Molton Street, Mayfair, London W1K 5QW. Bring your GMT-Master II in without an appointment, or send photos for a free quote. Once you accept our offer, we pay the same day by bank transfer.
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.
1. Quote
2. Delivery
3. Inspection
4. Payment
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
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.
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.
The same day. Once you accept our final offer, we send payment by bank transfer that day.
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.
Our in-house watchmaker inspects the movement, dial, hands, bezel, case and bracelet. We then price it against current market demand for that reference.
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.
There is no obligation. If you decide not to sell after inspection, we return your watch free of charge and fully insured.