Patek Philippe - 5905/1A - 42 mm - SteelReference: 5905 1A Model: Flyback Chronograph, Annual Calendar. Collection: Complications Caliber: Self winding Case: Steel. Diameter: 42 mm. Height: 14. 13 mm. Water resistant to 30 m. Sapphire crystal case back. Watch: Self winding mechanical movement. Caliber CH 28? 520 QA 24H. Flyback Chronograph. Central chronograph hand. 60 minute counter. Annual Calendar. Day, date, month and day night indication displayed in apertures. Bracelet Strap: Steel.

a specialist CNC machine had to be purchased especially for the RM 56-01

Reference: 126518ln-0006

Collection: Grand Complications

Reference: RM 60-01

Reference: 126234-0025

Reference: 128349rbr-0052

330 S C/434

Weight: Approximately 3

Reference: 128399tbr-0011

requiring complex assembly and adjustment during construction

forms an integral part of the movement

In ancient China