When it comes to GMT watches, few models are as iconic as the Rolex GMT Master II "Pepsi". But in 2024, Tudor—Rolex’s adventurous younger sibling—threw a curveball by releasing the Black Bay 58 GMT, immediately capturing the attention of enthusiasts worldwide.
Both watches share the same spirit of world travel but take very different approaches. If you're deciding between the two, here's a complete breakdown to help you choose the right "traveler’s companion."
🕊️ Rolex GMT Master II 126710BLRO "Pepsi"
🔗 View the Rolex Pepsi on Swiss Connection Watches
When Rolex reintroduced the “Pepsi” GMT Master II in stainless steel in 2018, it reignited demand for the classic two-tone bezel. Paired with the elegant Jubilee bracelet, the 126710BLRO remains one of the most desirable modern Rolex watches.
🔧 Specifications
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Case Size: 40mm Oystersteel
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Bezel: Bidirectional Cerachrom in red and blue
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Movement: Rolex Caliber 3285
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Power Reserve: 70 hours
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Bracelet: Jubilee (5-link), polished center links
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Water Resistance: 100m
💡 Why It’s Special
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Iconic color scheme harkens back to the original 1950s GMTs
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Jubilee bracelet offers elegant wrist presence with excellent comfort
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Robust Caliber 3285 with Chronergy escapement for enhanced efficiency
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Highly collectible, difficult to obtain at retail—strong investment potential
✅ Best For: Collectors seeking the perfect mix of heritage, prestige, and modern Rolex engineering.
🛩️ Tudor Black Bay 58 GMT 7939G1A0NRU
🔗 View the Tudor BB58 GMT on Swiss Connection Watches
Launched at Watches & Wonders 2024, the Tudor Black Bay 58 GMT answered a long-standing wish from Tudor fans: a slim, travel-ready GMT that fits like a dream. With its 39mm case, METAS-certified movement, and vintage aesthetic, the BB58 GMT is everything a modern traveler could want.
🔧 Specifications
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Case Size: 39mm stainless steel
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Bezel: Aluminum bidirectional in black and burgundy (Coke style)
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Movement: Tudor Manufacture Caliber MT5450-U (COSC and METAS Certified)
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Power Reserve: 65 hours
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Bracelet: Rivet-style steel bracelet
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Water Resistance: 200m
💡 Why It’s Special
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Vintage proportions inspired by early dive watches
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METAS certification means it's Master Chronometer rated—extremely rare in this price bracket
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Slim profile (just 11.9mm thick) makes it wearable for all wrist sizes
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Accessible price point for a truly serious GMT tool watch
✅ Best For: Enthusiasts who value practicality, ruggedness, and independent adventure—with a nod to Rolex DNA at a fraction of the cost.
🆚 Side-by-Side Comparison
| Feature | Rolex GMT Master II "Pepsi" | Tudor Black Bay 58 GMT |
|---|---|---|
| Case Size | 40mm | 39mm |
| Movement | Caliber 3285 | Caliber MT5450-U |
| GMT Function | Independent local jumping hour | Independent local jumping hour |
| Power Reserve | 70 hours | 65 hours |
| Bezel Material | Ceramic (Cerachrom) | Aluminum |
| Water Resistance | 100m | 200m |
| Bracelet | Jubilee / Oyster | Rivet-style Oyster |
| Price Tier | Ultra-premium | Accessible luxury |
| Brand Prestige | Iconic (Rolex) | Rising (Tudor) |
🛍️ Available Now at Swiss Connection Watches
Both the Rolex Pepsi GMT and the Tudor BB58 GMT are available at Swiss Connection Watches.
Whether you’re drawn to the timeless status of Rolex or the independent spirit of Tudor, these GMTs offer incredible value and versatility for modern travelers.
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