Hamilton Khaki Aviation Pilot Auto vs Tissot Gentleman Powermatic 80 Silicium

Hamilton's design language vs Tissot's approach

The Hamilton Khaki Aviation Pilot Auto features a Stainless Steel case at 38mm with Sapphire Crystal 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 H-10 (ETA 2824-2 base) vs Powermatic 80.811 (Silicon Hairspring)

The Khaki Aviation Pilot Auto runs the Automatic H-10 (ETA 2824-2 base) (Hamilton/ETA Automatic, 80 Hours power reserve) at 21,600 vph (3 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). Power reserves are closely matched.

38mm vs 40mm — different wrist presence

At 38mm, the Khaki Aviation Pilot Auto wears more compactly on smaller wrists compared to the Gentleman Powermatic 80 Silicium at 40mm. Water resistance differs: 100m (10 ATM) vs 100m (10 ATM).

Tissot sits in the lower tier

The Hamilton Khaki Aviation Pilot Auto sits at $1,000–$1,500 and the Tissot Gentleman Powermatic 80 Silicium at $500–$1,000. On the specs that outlast any price: the Khaki Aviation Pilot Auto uses Sapphire Crystal with 80 Hours, against Sapphire Crystal and 80 Hours on the Gentleman Powermatic 80 Silicium. Service intervals are typically 5-7 years for both.

100m (10 ATM) vs 100m (10 ATM)

The Khaki Aviation Pilot Auto is rated to 100m (10 ATM) while the Gentleman Powermatic 80 Silicium handles 100m (10 ATM). Both offer identical water resistance ratings.