Hercules

• Movement: Breitling Caliber 39, chronometer-certified, high-frequency automatic (28,800 vibrations/hour), 38 jewels.
• 1/4th of a second chronograph function, 60-minute totalizer in the center, combined 60-minute and 12-hour totalizer.
• 24-hour display (military time).
• Indication of IFR/VFR flight levels.
• Case: steel.
• Water-resistant to 100 meters (330 ft).
• Bidirectional rotating bezel with compass scale.
• Sapphire crystal, glareproofed both sides.
• Bracelet: integrated, steel.