Rolex Datejust 31 68278 (18k yellow gold, white Roman dial) vs Tissot Chemin des Tourelles Powermatic 80

Rolex's design language vs Tissot's approach

The Rolex Datejust 31 68278 (18k yellow gold, white Roman dial) features a 18k yellow gold, fluted bezel case at 31mm with Sapphire Crystal, Cyclops protection. The Tissot Chemin des Tourelles Powermatic 80 offers Stainless Steel construction at 42.0mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.

Automatic, Rolex Calibre 2135 vs Automatic Powermatic 80 (Caliber 80.111)

The Datejust 31 68278 (18k yellow gold, white Roman dial) runs the Automatic, Rolex Calibre 2135 (Rolex 2135, in-house automatic, chronometer, About 42 hours power reserve) at standard frequency. The Chemin des Tourelles Powermatic 80 uses the Automatic Powermatic 80 (Caliber 80.111) (ETA/Tissot Automatic, 80 Hours reserve) at 21,600 vph (3 Hz). The Chemin des Tourelles Powermatic 80 offers a longer power reserve.

31mm vs 42.0mm — different wrist presence

At 31mm, the Datejust 31 68278 (18k yellow gold, white Roman dial) wears more compactly on smaller wrists compared to the Chemin des Tourelles Powermatic 80 at 42.0mm. Water resistance differs: 100m (10 ATM) vs 50m (5 ATM).

Tissot sits in the lower tier

The Rolex Datejust 31 68278 (18k yellow gold, white Roman dial) sits at $10,000–$25,000 and the Tissot Chemin des Tourelles Powermatic 80 at $500–$1,000. On the specs that outlast any price: the Datejust 31 68278 (18k yellow gold, white Roman dial) uses Sapphire Crystal, Cyclops with About 42 hours, against Sapphire Crystal and 80 Hours on the Chemin des Tourelles Powermatic 80. Service intervals are typically 5-7 years for both.

100m (10 ATM) vs 50m (5 ATM)

The Datejust 31 68278 (18k yellow gold, white Roman dial) is rated to 100m (10 ATM) while the Chemin des Tourelles Powermatic 80 handles 50m (5 ATM). The Datejust 31 68278 (18k yellow gold, white Roman dial) is better suited for water activities.