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Tag Heuer Carrera Chronograph vs Rolex Datejust 31 68278 (18k yellow gold, white Roman dial)
Tag Heuer's chronograph meets Rolex's timepiece
Quick Verdict
The Tag Heuer Carrera Chronograph ($2,500–$5,000) offers In-House Automatic Chronograph Manufacture precision in the tier below the Rolex Datejust 31 68278 (18k yellow gold, white Roman dial) ($10,000–$25,000). The Carrera Chronograph measures 42mm and is rated 100m (10 ATM). The Datejust 31 68278 (18k yellow gold, white Roman dial) counters with Swiss Made craftsmanship and 100m (10 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Tag Heuer Carrera Chronograph | Rolex Datejust 31 68278 (18k yellow gold, white Roman dial) |
|---|---|---|
| Price | $2,500–$5,000 | $10,000–$25,000 |
| Case Size | 42mm | 31mm |
| Movement | Automatic Calibre Heuer 02 | Automatic, Rolex Calibre 2135 |
| Caliber Type | In-House Automatic Chronograph Manufacture | Rolex 2135, in-house automatic, chronometer |
| Power Reserve | 80 Hours | About 42 hours |
| Water Resistance | 100m (10 ATM) | 100m (10 ATM) |
| Crystal | Sapphire Crystal | Sapphire Crystal, Cyclops |
| Case Material | Steel & Ceramic | 18k yellow gold, fluted bezel |
| Origin | Swiss Made | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Tag Heuer's design language vs Rolex's approach
The Tag Heuer Carrera Chronograph features a Steel & Ceramic case at 42mm with Sapphire Crystal protection. The Rolex Datejust 31 68278 (18k yellow gold, white Roman dial) offers 18k yellow gold, fluted bezel construction at 31mm with Sapphire Crystal, Cyclops. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Calibre Heuer 02 vs Automatic, Rolex Calibre 2135
The Carrera Chronograph runs the Automatic Calibre Heuer 02 (In-House Automatic Chronograph Manufacture, 80 Hours power reserve) at 28,800 vph (4 Hz) frequency. The Datejust 31 68278 (18k yellow gold, white Roman dial) uses the Automatic, Rolex Calibre 2135 (Rolex 2135, in-house automatic, chronometer, About 42 hours reserve) at standard. The Carrera Chronograph edges ahead on power reserve.
Wearability & Fit
42mm vs 31mm — different wrist presence
At 42mm, the Carrera Chronograph has a bolder wrist presence compared to the Datejust 31 68278 (18k yellow gold, white Roman dial) at 31mm. Water resistance differs: 100m (10 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Tag Heuer sits in the lower tier
The Tag Heuer Carrera Chronograph sits at $2,500–$5,000 and the Rolex Datejust 31 68278 (18k yellow gold, white Roman dial) at $10,000–$25,000. On the specs that outlast any price: the Carrera Chronograph uses Sapphire Crystal with 80 Hours, against Sapphire Crystal, Cyclops and About 42 hours on the Datejust 31 68278 (18k yellow gold, white Roman dial). Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 100m (10 ATM)
The Carrera Chronograph is rated to 100m (10 ATM) while the Datejust 31 68278 (18k yellow gold, white Roman dial) handles 100m (10 ATM). Both offer identical water resistance ratings.
Our Verdict
Tag Heuer
Carrera Chronograph
Choose the Tag Heuer Carrera Chronograph if you prioritize In-House Automatic Chronograph Manufacture engineering, Swiss Made craftsmanship, and 100m (10 ATM) water resistance. At $2,500–$5,000, it delivers Automatic Calibre Heuer 02 with 80 Hours power reserve.
View the dossierRolex
Datejust 31 68278 (18k yellow gold, white Roman dial)
Choose the Rolex Datejust 31 68278 (18k yellow gold, white Roman dial) if you value Rolex 2135, in-house automatic, chronometer technology, Swiss Made heritage, and 31mm proportions. At $10,000–$25,000, the Automatic, Rolex Calibre 2135 with About 42 hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Tag Heuer Carrera Chronograph and Rolex Datejust 31 68278 (18k yellow gold, white Roman dial) represent two distinct approaches to fine watchmaking — the Tag Heuer bringing Swiss Made tradition while Rolex delivers Swiss Made engineering.
Frequently Asked Questions
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How This Page Was Made
Our comparisons are generated from a hand-maintained specification database and reviewed under our editorial standards. We use AI tools to assemble pages from that data. We don’t invent specs: every number traces back to the database, and when we correct an entry, the fix is applied site-wide. As an Amazon Associate, The Horologist earns from qualifying purchases.