Baume & Mercier Riviera Baumatic 39 mm Automatic Smoky Green Sapphire Dial Steel Bracelet [10770]

The Baume & Mercier Riviera Baumatic 10770 delivers a refined and contemporary interpretation of the modern Swiss luxury sports watch, combining the Riviera collection’s iconic twelve-sided case architecture with an advanced smoky green sapphire dial and Baume & Mercier’s exceptional in-house Baumatic manufacture movement. Technical, architectural, and highly sophisticated, this reference captures the Riviera collection at its most elevated.

Its smoky green sapphire dial creates remarkable visual depth by partially revealing the movement beneath, producing a semi-transparent effect that feels modern, dynamic, and mechanically engaging under changing light. The green sapphire construction introduces a far more technical and enthusiast-oriented character than conventional sports-watch dials while preserving strong legibility through luminous applied indexes and rhodium-plated hands.

The polished and satin-finished stainless steel case flows seamlessly into the integrated stainless steel bracelet, creating a fluid and luxurious wrist presence equally suited to executive daily wear, travel, and elevated casual styling. At 39 mm, the proportions achieve exceptional balance — modern enough for contemporary sports-watch presence while remaining refined and highly wearable for virtually any wrist.

Key Highlights

• Smoky green sapphire dial with semi-transparent architectural depth
• Iconic twelve-sided Riviera stainless steel case
• In-house Baumatic manufacture automatic movement
• Exceptional 120-hour / 5-day power reserve
• Integrated stainless steel bracelet with refined sports-luxury styling
• High-end Swiss movement architecture rarely found at this price point

At the heart of the Riviera 10770 is Baume & Mercier’s highly respected Baumatic manufacture calibre — one of the most technically impressive movements available in contemporary Swiss watchmaking. Featuring a remarkable 120-hour power reserve, advanced anti-magnetic architecture, excellent long-term precision stability, and extended service intervals, the Baumatic platform competes directly with movements found in substantially more expensive Swiss luxury sports watches.

In several respects, the Baumatic calibre exceeds the specifications found in many standard Rolex and Omega movements, particularly regarding long-duration autonomy. While numerous luxury Swiss sports watches in higher price categories typically offer approximately 48 to 70 hours of reserve, the Baumatic movement delivers a full five days of power reserve while maintaining refined performance and reliability.

Visible through both the sapphire dial and sapphire exhibition caseback, the movement architecture becomes an integral part of the watch’s identity. This dual transparency gives the Riviera 10770 a far more modern and technically expressive personality than traditional sports watches while preserving the elegance and restraint expected from Swiss luxury horology.

The Riviera collection occupies a unique position within contemporary Swiss watchmaking through its instantly recognizable twelve-sided bezel and integrated sports-watch architecture. Combined with the smoky green sapphire dial and manufacture movement, the overall composition feels luxurious, contemporary, and mechanically serious without appearing excessive.

For collectors seeking an alternative to more mainstream integrated sports watches from Rolex, Omega, or Girard-Perregaux, the Riviera Baumatic 10770 offers exceptional architectural identity, advanced movement technology, and distinctive contemporary styling at a compelling value proposition.

Sporty without aggression and technically impressive without sacrificing elegance, the Baume & Mercier Riviera Baumatic 10770 stands among the strongest values in contemporary Swiss luxury sports watches.

Technical Specifications

• Model Number: 10770
• Collection: Riviera Baumatic
• Case Size: 39 mm
• Case Thickness: 10.21 mm
• Case Material: Polished and satin-finished stainless steel
• Bezel: Signature twelve-sided stainless steel bezel
• Dial: Smoky green sapphire dial
• Hour Markers: Applied indexes with luminous treatment
• Hands: Rhodium-plated hands with luminous treatment
• Crystal: Scratch-resistant sapphire crystal
• Caseback: Sapphire exhibition caseback
• Movement: Baumatic in-house Swiss automatic manufacture calibre
• Power Reserve: 120 hours / 5 days
• Frequency: 28,800 vph / 4 Hz
• Anti-Magnetic Resistance: Enhanced anti-magnetic architecture
• Water Resistance: 100 metres / 10 ATM
• Bracelet: Integrated stainless steel bracelet
• Clasp: Stainless steel triple folding clasp
• Functions: Hours, minutes, central seconds, date
• Swiss Made: Yes

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