Baume & Mercier Riviera Blue, Satine, Sunray Dial 42mm Men M0A10620

Reviving the legendary 1973 luxury sports silhouette with Mediterranean maritime vitality, robust Swiss mechanical engineering, and an integrated all-steel architecture, the Baume & Mercier Riviera Automatic 42mm M0A10620 represents a foundational pillar of contemporary sports-chic horology. Sculpted in a 42.00 mm surgical-grade 316L stainless steel case measuring 10.66 mm in profile with an integrated lug silhouette, this timepiece is crowned by the Riviera collection's signature dodecagonal (12-sided) bezel secured by four functional polished steel screws, alternating between circular satin-brushed surfaces and mirror-polished chamfered bevels. The dial showcases a radiant sun-satin blue finish (bleu satiné soleil) decorated with a tone-on-tone transparent wave transfer motif that captures ambient light across shifting azure, cobalt, and deep navy reflections, symbolizing the meeting of coastal waters and Mediterranean cliffs. Accented by rhodium-plated riveted Roman numerals at 12 and 6 o'clock, faceted trapezoid hour indices, matching openworked dauphine hands coated with white Super-LumiNova (blue nocturnal emission), and a date aperture at 3 o'clock beneath an anti-reflective scratch-resistant sapphire crystal, the display combines high-contrast daytime legibility with crisp night visibility. Through the exhibition sapphire crystal case back, the Swiss Made mechanical automatic calibre (BM 11200 / Sellita SW200 base) is visible, operating at 28,800 vibrations per hour (4 Hz) across 26 jewels with a 38-hour power reserve. Mounted on an integrated 3-row solid stainless steel bracelet alternating between satin-brushed outer links and mirror-polished center accents, secured by a triple-folding deployant clasp with security pushers and featuring a tool-free quick-release interchangeability system ("Fast Strap"), it is pressure-tested for an aquatic 100 metres (10 bar / 10 ATM) of water resistance and backed by Baume & Mercier’s official 2-year international manufacturer warranty.

Key Highlights

• Iconic 1973 Riviera Dodecagonal Architecture: Reinterpreted 42 mm sports silhouette featuring a signature 12-sided steel bezel anchored by four functional polished steel screws.

• Sun-Satin Blue Wave Dial: Radiant azure sunburst (bleu satiné soleil) face decorated with transparent wave motifs for maritime depth and texture.

• Swiss Made Automatic Calibre BM 11200: High-frequency self-winding mechanical movement operating at 28,800 vph (4 Hz) across 26 jewels with a 38-hour power reserve.

• Exhibition Sapphire Crystal Case Back: Transparent screwed case back revealing the mechanical balance wheel, gear train, and engraved oscillating weight.

• Super-LumiNova Blue Nocturnal Emission: Rhodium-plated dauphine hands and riveted markers treated with Swiss Super-LumiNova (Phos BL485nm Grade X1) emitting a vivid blue glow in low light.

• Integrated 3-Row Solid Steel Bracelet: Articulated metal bracelet featuring satin-brushed outer links and mirror-polished center accents.

• Integrated Tool-Free Strap Interchangeability: "Fast Strap" quick-release spring bar system allowing effortless strap changes in seconds without specialized tools.

• Triple-Folding Clasp with Safety Pushers: Solid stainless steel deployant buckle ensuring seamless underside closure and all-day wrist security.

• Scratch-Resistant Anti-Reflective Sapphire Crystal: High-clarity sapphire glass with anti-glare coating offering protection against surface abrasions and reflections.

• Octagonal Crown with Embossed Phi (Φ) Logo: Fluted steel crown finished with the brand's emblem of the Golden Ratio and divine harmony.

• 100-Metre (10 ATM) Aquatic Water Resistance: Pressure-tested to 10 bar (100 m / 330 ft) with a screw-down crown for swimming and active marine sports.

• Official 2-Year International Warranty: Backed worldwide through the Richemont global service network with optional warranty extension.

Design & Craftsmanship

1973 Riviera Heritage & The 42mm All-Steel Dodecagonal Chassis

First unveiled in 1973, the Riviera broke traditional design conventions by introducing a dodecagonal (12-sided) bezel paired with an integrated silhouette, establishing itself as one of the original Swiss luxury sports watches. In reference M0A10620, Baume & Mercier equips this iconic silhouette with an all-steel sports execution. Forged from surgical-grade 316L stainless steel, the 42.00 mm case features satin-brushed flanks and mirror-polished beveled chamfers. Crowning the case is the signature 12-sided bezel with a circular satin finish, anchored by four functional polished steel screws. The screw-down octagonal winding crown is embossed with the Greek letter Phi (Φ)—the symbol of the Golden Ratio and divine harmony. On the reverse side, an exhibition sapphire crystal case back secured by four screws provides an unhindered view of the mechanical movement.