South Bay's Trusted Rolex Buyer Since 1980

Sell Your Rolex GMT-Master for Top Dollar in Los Angeles

South Bay Coin has been Southern California's trusted Rolex GMT-Master buyer for over 45 years. A clean, authentic GMT-Master commonly brings between $12,000 and $20,000. Walk in for a private, no-obligation appraisal and leave with cash the same day.

The Best Place to Sell a Rolex GMT-Master in Los Angeles

If you want to sell a Rolex GMT-Master in Los Angeles, South Bay Coin is the South Bay's most trusted destination for the highest cash offer. We are a licensed, bonded, and insured dealer in Lawndale, California, and since 1980 we have purchased thousands of fine Swiss timepieces from collectors across LA County.

Unlike pawn shops and consignment dealers that charge a commission or sit on your watch for months, South Bay Coin buys your GMT-Master outright and pays you on the spot. Because we sell directly into the collector market, we pay a true brand premium rather than a generic resale figure. Many clients who came to sell a luxury watch here receive noticeably stronger offers than from other Rolex buyers in Los Angeles or from online mail-in services.

Every watch is evaluated by specialists who know the GMT-Master line intimately, from the discontinued aluminum-bezel references to the latest Cerachrom models. Whether you are parting with a single Pepsi, a vintage 1675, a two-tone Rolesor, or you also want to sell a Rolex Submariner or your entire Rolex collection, you receive the same transparent appraisal, zero pressure, and a complimentary evaluation.

Visit Us

Our Lawndale Showroom

South Bay Coin

Address 16916 Hawthorne Blvd, Lawndale, CA 90260
Get Directions
Text a Photo (310) 363-2697
Hours Mon-Fri: 10 AM - 5 PM
Sat: 10 AM - 3 PM
Sun: Closed
Areas We Serve Torrance, Redondo Beach, Manhattan Beach, Hermosa Beach, Hawthorne, El Segundo, Inglewood, Gardena, Carson, Palos Verdes, Long Beach, Compton, Lomita, Rolling Hills, and all of Los Angeles County.
How We Value Your Watch

What Determines a GMT-Master Value

No two GMT-Masters are valued the same way, and a precise GMT-Master appraisal starts with the reference number engraved between the lugs. The four-digit vintage references such as the 1675 and 16750 are read very differently from the five and six-digit modern references like the 16710, 116710, and 126710. Production year, dial variant, and whether the watch retains its original parts all move the figure, which is why most GMT-Masters trade between $12,000 and $20,000.

Bezel material is one of the largest factors. Earlier aluminum-insert bezels with honest fading are prized by vintage collectors, while the scratch-proof Cerachrom ceramic bezels drive demand on current models. Colorway matters just as much: the red and blue Pepsi, the black and blue Batman, the black and green Sprite, and the brown Root Beer each carry their own following. Bracelet choice between an Oyster and a Jubilee, along with case sharpness and whether the watch has been over-polished, rounds out the technical review.

Finally, completeness affects the offer. A full set with the original box, warranty card, and hang tags presents at the top of its range, though we buy plenty of GMT-Masters with nothing but the watch itself. We inspect the movement, verify the serial and case-back details, and explain every point of our valuation out loud so you understand exactly how your number was reached.

GMT-Master Models We Buy for Cash

We purchase every GMT-Master and GMT-Master II reference in any condition, from daily-worn examples to safe-queen full sets. If your model is not listed, bring it in and we will appraise it.

Pepsi GMT-Master II

The red and blue icon, from the modern 126710BLRO and steel 16710 BLRO back to the vintage 1675 Pepsi.

Batman & Sprite

Black and blue Batman and Batgirl references 116710BLNR and 126710BLNR, plus the black and green Sprite.

Vintage GMT-Master

Aluminum-bezel classics including the 1675, 16750, and 16700, with original patina and faded inserts welcome.

Two-Tone & Root Beer

Rolesor steel and gold models, the brown Root Beer 126711CHNR, and solid precious-metal references.

Sell Your GMT-Master in Three Steps

1

Visit, Call, or Text

Walk into our Lawndale showroom at 16916 Hawthorne Blvd. No appointment needed. Or call (310) 363-7808 and text us photos of the watch.

2

Free Expert Authentication

Our specialists authenticate the reference, inspect the movement and bezel, and explain your offer in full. There is never any pressure.

3

Get Paid Immediately

Accept the offer and receive cash or a check on the spot. Most visits take about 15 minutes. Bring a valid photo ID.

How We Compare

South Bay Coin vs. Other Rolex Buyers

Not every buyer understands the GMT-Master. Here is how a specialist appraisal stacks up against the alternatives.

South Bay Coin Pawn Shops Watch Dealers Online Mail-In
Knows GMT-Master references Varies Varies
Authenticates in front of you Sometimes Sometimes
Pays collector brand premium Varies Varies
Same-day cash Sometimes
Buys without box & papers Varies Varies Varies
45+ year track record Varies Varies Varies
Reviews

What Our Customers Say

5.0
400+ Google Reviews

"Sold my Pepsi GMT-Master here and the offer beat two other shops by a wide margin. They knew the reference instantly and paid me on the spot."

M.R. · Torrance, CA

"I inherited a vintage 1675 with no box or papers and assumed it would be hard to sell. They walked me through the whole appraisal and were completely fair."

D.L. · Redondo Beach, CA

"No pressure at all. They authenticated my Batman right in front of me and explained exactly how they got to the number. Easiest watch sale I have ever made."

J.P. · Manhattan Beach, CA

"Drove down from Long Beach to sell a two-tone Root Beer. Honest, knowledgeable, and the fastest cash offer I found anywhere in LA. Highly recommend."

A.S. · Long Beach, CA
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FAQ

Common Questions About Selling a Rolex GMT-Master

How much is my Rolex GMT-Master worth?

Most authentic Rolex GMT-Masters trade between $12,000 and $20,000, though the exact figure depends on the reference number, production year, colorway, condition, and whether you have the box and papers. A faded vintage 1675 and a current Pepsi are valued very differently. Bring it in for a free, precise appraisal.

Where can I sell my Rolex GMT-Master in Los Angeles?

South Bay Coin in Lawndale is one of the most established Rolex buyers in Los Angeles, serving the South Bay since 1980. We buy GMT-Masters outright with same-day cash, authenticate in front of you, and pay a true collector premium rather than a pawn-style figure. Walk-ins are always welcome.

Can I sell my GMT-Master without the box and papers?

Yes. We buy GMT-Masters with nothing but the watch itself every week. A full set with the original box, warranty card, and tags presents at the top of its range, but missing paperwork does not stop a sale. We authenticate the watch on its own merits and make a fair offer either way.

How do you authenticate a Rolex GMT-Master?

Our specialists verify the reference and serial engravings, inspect the movement, examine the bezel insert and dial printing, and check the case for correct finishing and proportions. We have handled GMT-Masters for over four decades, so we recognize genuine references and replacement parts on sight and explain everything as we go.

Do you buy the Pepsi and Batman GMT-Master?

Absolutely. The red and blue Pepsi and the black and blue Batman are two of the most requested GMT-Masters, and we actively buy both in steel and white gold. We also purchase the Sprite, the Root Beer, and two-tone Rolesor models. Every colorway has its own market, and we know each one well.

Do you buy vintage GMT-Master references like the 1675?

Yes, vintage GMT-Masters are a specialty. We buy the 1675, 16750, and 16700, along with their aluminum-bezel and faded-insert variants. Honest patina is often a plus rather than a flaw with collectors. Original parts, an unpolished case, and matching components all help your vintage GMT-Master reach the top of its range.

Should I sell my Rolex GMT-Master or trade it in?

If you want immediate cash, an outright sale is usually the cleanest path. We pay you the same day with no commission and no waiting on consignment. If you prefer, we can also discuss trading toward another timepiece in our showroom. Either way, the appraisal is free and there is no obligation.

How long does it take to sell a Rolex GMT-Master?

Most visits take about 15 minutes from walking in to walking out with payment. We authenticate the watch, present the offer, and pay you on the spot once you accept. There is no shipping, no consignment period, and no waiting for a buyer. Bring a valid photo ID to complete the sale.

Do you buy a GMT-Master with aftermarket or replaced parts?

Yes. Service dials, replacement bezels, or a non-original bracelet do not disqualify a watch, they simply factor into the appraisal. We are transparent about how each element affects value and explain it clearly. An all-original GMT-Master commands more, but a serviced or modified example is still very much worth selling.

Is now a good time to sell a Rolex GMT-Master?

The GMT-Master remains one of the most liquid Rolex sport models, with steady collector demand for sought-after colorways. Because waitlists at the boutique stay long, well-kept examples continue to trade actively on the secondary market. The best way to know what yours commands today is a free in-person appraisal at our Lawndale showroom.

Ready to Sell Your Rolex GMT-Master?

Bring your watch to our Lawndale showroom for a free appraisal and same-day cash. No appointment needed.