Rolex Day-Date 18238 (18k yellow gold, blue diamond dial) vs Tissot Chemin des Tourelles Powermatic 80

Rolex's design language vs Tissot's approach

The Rolex Day-Date 18238 (18k yellow gold, blue diamond dial) features a 18k yellow gold case at 36mm 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 3155 vs Automatic Powermatic 80 (Caliber 80.111)

The Day-Date 18238 (18k yellow gold, blue diamond dial) runs the Automatic, Rolex Calibre 3155 (Rolex 3155, in-house automatic, chronometer, About 48 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.

36mm vs 42.0mm — different wrist presence

At 36mm, the Day-Date 18238 (18k yellow gold, blue diamond 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 Day-Date 18238 (18k yellow gold, blue diamond dial) sits at $25,000+ and the Tissot Chemin des Tourelles Powermatic 80 at $500–$1,000. On the specs that outlast any price: the Day-Date 18238 (18k yellow gold, blue diamond dial) uses Sapphire Crystal, Cyclops with About 48 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 Day-Date 18238 (18k yellow gold, blue diamond dial) is rated to 100m (10 ATM) while the Chemin des Tourelles Powermatic 80 handles 50m (5 ATM). The Day-Date 18238 (18k yellow gold, blue diamond dial) is better suited for water activities.