Oris Aquis Date Calibre 400 vs Tissot Gentleman Powermatic 80 Silicium

Oris's design language vs Tissot's approach

The Oris Aquis Date Calibre 400 features a Stainless Steel case at 41.5mm with Sapphire Crystal with Anti-Reflective Coating protection. The Tissot Gentleman Powermatic 80 Silicium offers Stainless Steel construction at 40mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.

Automatic Calibre 400 vs Powermatic 80.811 (Silicon Hairspring)

The Aquis Date Calibre 400 runs the Automatic Calibre 400 (Oris In-House Manufacture, 120 Hours (5 Days) power reserve) at 28,800 vph (4 Hz) frequency. The Gentleman Powermatic 80 Silicium uses the Powermatic 80.811 (Silicon Hairspring) (ETA-Based Automatic with Silicon Hairspring, 80 Hours reserve) at 21,600 vph (3 Hz). The Aquis Date Calibre 400 edges ahead on power reserve.

41.5mm vs 40mm — different wrist presence

At 41.5mm, the Aquis Date Calibre 400 has a bolder wrist presence compared to the Gentleman Powermatic 80 Silicium at 40mm. Water resistance differs: 300m (30 ATM) vs 100m (10 ATM).

Tissot sits in the lower tier

The Oris Aquis Date Calibre 400 sits at $2,500–$5,000 and the Tissot Gentleman Powermatic 80 Silicium at $500–$1,000. On the specs that outlast any price: the Aquis Date Calibre 400 uses Sapphire Crystal with Anti-Reflective Coating with 120 Hours (5 Days), against Sapphire Crystal and 80 Hours on the Gentleman Powermatic 80 Silicium. Service intervals are typically 5-7 years for both.

300m (30 ATM) vs 100m (10 ATM)

The Aquis Date Calibre 400 is rated to 300m (30 ATM) while the Gentleman Powermatic 80 Silicium handles 100m (10 ATM). The Aquis Date Calibre 400 is better suited for water activities.