Baume & Mercier Riviera Perpetual Calendar 40 mm Grey Dial Integrated Steel Bracelet (10786)

A modern sport-chic icon infused with haute horlogerie craftsmanship.

The Baume & Mercier Riviera Perpetual Calendar (10786) elevates the Maison’s emblematic Riviera design with a full Quantième Perpétuel movement — one of watchmaking’s most revered complications. This mechanism automatically accounts for every irregularity in the calendar, including leap years, requiring no adjustment until 2100.

Encased in 40 mm of finely finished stainless steel with the Riviera’s signature twelve-sided bezel, this piece embodies a harmonious blend of architectural strength and refined elegance. At its heart lies the Baumatic manufacture calibre, renowned for exceptional precision and endurance, providing a robust 120-hour (5-day) power reserve.

The dial presents a refined display of perpetual calendar functions — day, date, month, and leap year — arranged on a grey vertical sun-brushed surface with snailed sub-counters and luminous 5N gilt Dauphine hands. Double-sided anti-reflective sapphire crystals reveal both the intricate dial texture and the movement’s decoration. At only 11.8 mm thick, the watch maintains sleek proportions, while the integrated three-row stainless-steel bracelet with quick-release system ensures comfort and versatility.

Limited to just 50 pieces worldwide, the Riviera 10786 represents a rare opportunity to own a true haute horlogerie complication housed within Baume & Mercier’s contemporary sport-luxury aesthetic. Each piece is covered by an 8-Year International Baumatic Warranty, a testament to the Maison’s commitment to enduring excellence and precision.

Technical Specifications

• Brand: Baume & Mercier

• Collection: Riviera

• Reference: 10786 (M0A10786)

• Complication: Full Quantième Perpétuel (Perpetual Calendar) — day, date, month, leap-year indication

• Movement: Baumatic manufacture calibre, automatic /self-winding

• Power Reserve: 120 hours (5 days)

• Frequency: 28,800 vph (4 Hz)

• Jewels: 21

• Case: Stainless steel, polished and satin finish; 40 mm diameter; ~11.8 mm thickness; twelve-sided bezel

• Crystal: Sapphire, anti-reflective coating on both sides

• Caseback: Sapphire display back secured with screws

• Dial: Grey vertical sun-brushed with snailed counters; 5N gilt Dauphine hands

• Bracelet: Integrated three-row stainless steel, polished/satin finish, quick-release interchangeable system

• Water Resistance: 50 m (5 ATM)

• Edition: Limited to 50 pieces

• Warranty: 8-Year International Baumatic Warranty

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