What is the horizontal embossing on a Nautilus dial?

Horizontal embossing is a relief pattern of fine horizontal grooves stamped into the Nautilus dial surface. The grooves create a textured finish that shifts between light and dark tones depending on viewing angle. This pattern has been the Nautilus's defining visual element since Gerald Genta's original 1976 design. It differs from the Aquanaut's chequerboard pattern, which uses a grid of rounded squares instead of straight lines.

What is the difference between the 5711 and 5811 Nautilus?

Both are three-hand Nautilus references with date at 3 o'clock. The 5711/1A is 40mm in stainless steel with Caliber 324 SC, produced 2006-2021. The 5811/1G is 41mm in white gold with Caliber 26-330 SC, introduced in 2024 as the 5711's successor. The 5811 features a slightly wider bezel, updated lug shape and 1mm larger diameter. The movement upgrade offers improved precision regulation. Externally, the wider proportions and precious metal case distinguish the two generations.

What sizes are available in the Nautilus collection?

The Nautilus range spans five size categories: 35.2mm (7118/1A, ladies selfwinding), 40mm (5711, 5712, standard men's), 40.5mm (5990, travel time chronograph), 41mm (5811, new generation) and 44mm (5980, flyback chronograph). Case thickness varies from 8.3mm on time-only models to 12.6mm on chronographs. The variation accommodates wrist sizes from slim ladies to large men's sport proportions.

What is the difference between Nautilus and Aquanaut?

Both are Patek Philippe sport watches sharing the same movement platform (Caliber 324 SC family). The Nautilus uses a rounded octagonal steel case, integrated steel bracelet and horizontal embossed dial — a dressier sport watch. The Aquanaut uses a more rounded case, tropical composite rubber strap and chequerboard dial — a more casual sport watch. Nautilus starts at 40mm, Aquanaut at 40mm (men's). The Nautilus commands higher secondary-market interest, particularly the 5711 reference.

What complications are available in Nautilus models?

Beyond the standard three-hand date (5711/5811), the Nautilus offers: moon phase with power reserve and date (5712), annual calendar with day-date-month display (5726), perpetual calendar with leap year indicator (5740), flyback chronograph (5980), travel time chronograph with dual timezone (5990) and perpetual calendar chronograph. Each complication is housed within the signature Nautilus case shape without altering the porthole silhouette.