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Rolex GMT-Master II
Ref. 16710BLRO
The 16710BLRO is the last of the five-digit GMT-Masters, produced from 1989 to 2007 and superseded by the ceramic-bezelled 116710 that followed it. It predates what Rolex calls the Super Case, which means the lugs are slender and the profile sits close to the wrist rather than away from it — at 40mm it wears closer to a 38mm on most wrists, and the 47mm lug-to-lug span keeps it balanced on a range of sizes that the current generation will not accommodate as easily. The aluminium "Pepsi" bezel, red for the AM hours and blue for the PM, is the detail that defines the reference: later versions use ceramic, which is harder-wearing but reads differently in the hand and under light. The calibre 3185 inside it does something most GMT movements do not — the local hour hand jumps independently in one-hour increments without touching the running seconds, which means resetting across time zones is done in seconds and without breaking the movement's rhythm. It is a detail that reveals itself immediately in use and does not stop being useful. The Oyster bracelet adjusts via threaded screws through the links and carries a micro-adjustment slot inside the clasp, so the fit moves with temperature and circumstance without requiring a watchmaker.
- Reference
- 16710BLRO
- Brand
- Rolex
- Case size
- 40mm
- Case thickness
- 12mm
- Lug width
- 20mm
- Case material
- Stainless steel
- Case shape
- Round
- Dial
- Black
- Crystal
- Sapphire
- Bezel
- Bidirectional rotating
- Movement
- Automatic
- Calibre
- 3185
- Functions
- GMT, Date
- Water resistance
- 100m
- Bracelet / strap
- Stainless steel bracelet
- Strap colour
- Silver
- Clasp
- Folding clasp
- Lume
- Super-LumiNova
- Retailer
- Goldsmiths
Additional specifications
- Lug-to-lug
- 47mm
- Power reserve
- 48 hours
Learn more about Rolex
Hans Wilsdorf founded Wilsdorf & Davis in London in 1905 with his brother-in-law Alfred Davis, importing Swiss movements and casing them in England. He registered the name Rolex in 1908 — short, pronounceable in any language, and easy to fit on a dial.
Wilsdorf's conviction was that the wristwatch, then regarded as a woman's ornament and hopelessly fragile, could be made accurate and durable. He proved the first half in 1910 by obtaining the first chronometer certification for a wristwatch, and the second in 1926 with the Oyster case, sealed by a screw-down crown and caseback. Mercedes Gleitze swam the Channel wearing one in 1927, and Wilsdorf bought the front page of the Daily Mail to say so — arguably the first modern watch marketing campaign.
The Perpetual rotor followed in 1931, giving automatic winding in a form the whole industry eventually copied. The company relocated to Geneva during the First World War to escape British wartime duties.
The professional models arrived in a compressed burst in the 1950s: Submariner, Explorer, GMT-Master, Milgauss, and later the Daytona. Each was built for a specific job — diving, exploration, aviation, laboratory work, racing — and each became a design template.
Wilsdorf left his shares to a private foundation on his death, so Rolex answers to no shareholders. It remains the largest producer of certified chronometers in Switzerland by a wide margin.
- 1905
- Hans Wilsdorf founds Wilsdorf & Davis in London.
- 1908
- The Rolex name is registered.
- 1926
- The Oyster case introduces genuine water resistance.
- 1931
- The Perpetual rotor brings modern automatic winding.
- 1953
- The Submariner and Explorer launch.
- 1963
- The Cosmograph Daytona arrives.
Also in 3 collections
This watch appears in Stainless Steel Watches (2,797), Automatic Watches (1,432) and GMT Watches (200).
Manufacturer’s guarantee
What the specifications mean
A mechanical watch for everyday wear.
Strengths
- 100m water resistance covers swimming and watersports
- 40mm suits most wrists
- 47mm lug-to-lug keeps the 40mm case wearable
- Sapphire crystal, which resists scratching
- Luminous hands and markers for low light
Compare alternatives
Watches from other brands at a similar price, style and size, so you can see what else your budget can buy.
| Specification | 16710BLRO | 3201-1200 | 1-37-02-08-02-70 |
|---|---|---|---|
| Price | £15,450 | £16,000 | £13,800 |
| Case size | 40mm | 40mm | 40mm |
| Water resistance | 100m | 120m | 100m |
| Movement | Automatic | Automatic | Automatic |
| Strap | Stainless steel bracelet | Stainless steel bracelet | Stainless steel bracelet |
| Power reserve | 48 hours | 72 hours | — |
| This watch | Closely matched | Closely matched |
Your new watch
Frequently asked questions, and things you should know about this watch
Can I swim with it?
Yes. At 100m it is rated for swimming and snorkelling, though not for diving.
Will the glass scratch?
Unlikely. Sapphire is second only to diamond in hardness and shrugs off everyday marking.
Does it need a battery?
No. It is automatic — the motion of your wrist winds it, and there is no cell to replace.
How long does it run for when it's not worn?
About 48 hours fully wound — enough to survive a night off the wrist, but not a full weekend.
What size strap does it take?
20mm. Any strap of that width will fit, and on most modern watches quick-release bars make the swap a two-minute job with no tools.
Will it fit my wrist?
Lug-to-lug is 47mm, which suits wrists from roughly 16cm (6¼ inches) upward.
Lug-to-lug decides fit more than case diameter does.
Is it a men's or women's watch?
Listed as men's, though at 40mm it sits in the range that suits anyone.
Cheapest place to buy
Goldsmiths is the only UK retailer we track stocking this reference new, at £15,450. There is nothing to compare it against today.
Who are Goldsmiths?
Goldsmiths has been selling watches in Britain since 1778 and is part of the Watches of Switzerland Group, which is listed on the London Stock Exchange. They are an authorised dealer, so a watch comes with the manufacturer’s own warranty.
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