Patek Philippe 40.8mm Aquanaut Travel Time Steel
- Reference: 5164A-001
- Case: Stainless steel
- Diameter: 40.5 mm
- Thickness: 10.2 mm
- Movement: Calibre 324 S C FUS (self-winding)
- Functions:
- Dual Time (Home & Local)
- Local date linked to local time
- Day/Night indicators for both time zones
- Sweep seconds
- Power Reserve: 35–45 hours
- Crystal: Sapphire front and display back
- Water Resistance: 120 metres
- Strap: Black “Tropical” composite rubber with steel fold-over clasp.













