There is a specific kind of adrenaline that only a watch collector understands: the moment you spot a “white whale” at a price that feels like a heist. On a recent trip to Japan – a land where the pre-owned market is treated with the reverence of a museum, I found it: the TAG Heuer Carrera 39mm “Glassbox” (CBS2210.FC6534).

Unveiled at Watches and Wonders in Geneva in 2023, this watch wasn’t just a 60th-anniversary tribute; it was a reimagining of what a racing chronograph could be. After spending time with it on the wrist, it’s clear that Frédéric Arnault and his team didn’t just look at the archives – they looked into the future.

The Star of the Show: That Crystal

The “Glassbox” nickname isn’t just marketing fluff. The sapphire crystal is dramatically domed, curving over the edge of the case in a way that pays homage to the acrylic crystals of the 1960s and 70s.

But here’s the genius part: the tachymeter scale isn’t on a flat bezel on the outside. It’s printed on a curved “bowl-like” ring under the crystal. This creates a mesmerizing sense of depth and allows you to read the speed scale from extreme, sharp angles – a triumph of R&D that took years to perfect.

Design: A “Reverse Panda” for the Modern Era

The CBS2210.FC6534 model is the purist’s choice. It features a stunning “reverse panda” layout: a deep, circular-brushed black dial with contrasting silver-white sub-dials.

• The 12 O’Clock Date: In a daring move, TAG placed the date window at 12 o’clock, a nod to the vintage “Dato 12” models. It keeps the dial symmetrical and adds a quirk that collectors adore.
• The Case: At 39mm, it hits the “Goldilocks” zone. It feels substantial yet disappears under a shirt cuff, retaining the sharp, faceted lugs that have defined the Carrera since Jack Heuer first sketched them in 1963.

Under the Hood: The TH20-00 Movement

While the outside is vintage-inspired, the engine is cutting-edge. The TH20-00 in-house movement is an evolution of the famous Heuer 02. It boasts:

• 80-hour power reserve: You can take it off Friday night and it’ll still be ticking on Monday morning.
• Bi-directional winding: More efficient than previous versions, meaning it reaches full power faster as you move.
• Tactile Satisfaction: Clicking the “pump-style” pushers feels crisp and mechanical—exactly what you want in a high-end racing timer.

The Verdict

The Carrera Glassbox is a “love letter” to racing history. It manages to be both a tool watch and a piece of jewelry. Finding one in Japan – where the exchange rate and the legendary care of Japanese sellers often result in incredible deals – makes the ownership experience even sweeter.

Whether you’re timing laps at a track or just timing your coffee brew, the Glassbox reminds you that watchmaking is, as the text from Geneva says, “the celebration of incredible human endeavors.”

Final Score: 9.5/10 (Only because a perfect 10 means I’d stop looking for the next one!)

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Specifications:

Reference number : CBS2210.FC6534
Movement: TH20-00 (80hr reserve)
Case: Steel Fine-Brushed/Polished
Case Size: 39mm (13.9mm thickness)
Case Back: Sapphire – steel
Crystal: Glassbox sapphire crystal
Water Resistance: 100M
Strap: Perforated Leather
Buckle: Folding Clasp Push-Buttons – Steel
Price: AUD$10,250 (new)