Patek Philippe 5905R – Complications | Key Specs
| Feature | Details |
|---|---|
| Model Name | Patek Philippe Annual Calendar Flyback Chronograph |
| Reference Number | 5905R‑001 / 5905R‑010 |
| Collection | Complications |
| Case Material | 18k rose gold |
| Case Diameter | 42 mm |
| Case Thickness | ~14.03 mm |
| Dial Color | Sunburst blue (5905R‑010) |
| Hour Markers | Rose gold applied faceted baton markers |
| Hands | Rose gold dauphine‑style with luminescent fill |
| Crystal | Sapphire crystal (front and back) |
| Case Back | Sapphire exhibition back |
| Movement Type | Automatic (self‑winding) |
| Caliber | CH 28‑520 QA 24H |
| Functions | Hours, minutes, small seconds |
| Chronograph | Flyback chronograph with central seconds and 60‑min counter |
| Annual Calendar | Day, date, month displays (auto adjusts for 30/31‑day months) |
| Day/Night Indicator | Day/night indication on dial |
| Power Reserve | Approximately 45–55 hours |
| Jewels | 37 jewels |
| Frequency | 28,800 vph (4 Hz) |
| Strap | Alligator leather (e.g., dark blue on 5905R‑010) |
| Clasp | Rose gold prong / tang buckle |
| Water Resistance | 30 m / 3 ATM |
| Style | Luxury sport dress / Complication watch |
| Gender | Men’s / Unisex |
