Patek Philippe Perpetual Calendar Yellow Gold Chronograph 41mm
- Reference: 5270J-001
- Case: 18K Yellow Gold
- Diameter: 41.0 mm
- Thickness: 12.4 mm
- Movement: CH 29-535 PS Q (In-house, manual winding)
- Power Reserve: 55–65 hours
- Functions:
- Chronograph (Column-wheel)
- Perpetual Calendar
- Moon Phase
- Day, Month, Leap Year & Day/Night Indication
- Date by Hand
- Small Seconds
- Tachymeter Scale
- Dial: Silvery Opaline with applied yellow gold baton markers
- Crystal: Sapphire front and sapphire display back (additional solid back supplied)
- Water Resistance: 30 metres
- Strap: Hand-stitched chocolate brown alligator leather with yellow gold fold-over clasp.
