# Mechanical manually wound movement # Caliber 25-21 REC # Cambered sapphire-crystal case back # Water resistant to 30 m # Case dimensions: 32x42 mm. # Hand-guilloched two-tone silvery/honey brown dial in gold with Patek Philippe and Chronometro Gondolo inscriptions, Breguet numerals * Measurements: 24.6x21.5 mm * Height: 2.57 mm * 18 jewels, 7 bridges. * Balance: Gyromax * Vibrations per hour: 28'800 * Power reserve: 44 h max. * Number of parts: 142
