Baume & Mercier Clifton Baumatic Perpetual Calendar 42 mm 18K Rose Gold [10583]

The Baume & Mercier Clifton Baumatic 10583 is one of the most elevated expressions of the Clifton collection, uniting solid 18K rose gold, a perpetual calendar complication, moonphase display, and Baume & Mercier’s manufacture Baumatic movement within a refined 42 mm case. As one of the most prestigious complications in traditional watchmaking, the perpetual calendar places this reference firmly in the realm of serious haute horlogerie.

Its warm white porcelain-like dial creates an elegant, softly luminous surface beneath gilt alpha hands and indexes, allowing the calendar indications to remain beautifully legible while preserving the balanced architecture of the dial. The layout displays the day, date, month, leap-year cycle, and moonphase with exceptional restraint, offering true mechanical complexity without visual clutter.

The 18K rose gold case gives the watch a commanding yet refined presence, with polished and satin-finished surfaces that emphasize the Clifton’s classical proportions. At 42 mm, the case has the stature expected from a flagship complicated dress watch while remaining elegant enough for formal wear and collector-focused ownership. The gilt moonphase disc with blue lacquered finish adds a poetic focal point, introducing depth and celestial contrast against the warm dial and gold case.

Key Highlights

• Solid 18K rose gold case with polished and satin-finished execution
• Perpetual calendar complication with day, date, month, and leap-year indication
• Moonphase display with gilt moon-phase disc and blue lacquered finish
• Manufacture Baumatic BM13 calibre with 120-hour / 5-day power reserve
• Warm white porcelain-like dial with gilt alpha hands and indexes
• Interchangeable black alligator leather strap with 18K gold ardillon buckle

At the heart of the Clifton 10583 is the manufacture Baumatic BM13 calibre, a high-performance automatic movement designed to deliver both refinement and practical endurance. Its 120-hour power reserve provides a full five days of autonomy, placing it ahead of many standard luxury Swiss automatic movements that offer significantly shorter reserve durations. For a perpetual calendar, this extended autonomy is especially meaningful, helping preserve the accuracy of the calendar display during periods off the wrist.

The perpetual calendar is among the most respected complications in mechanical watchmaking because it automatically accounts for the varying lengths of months and leap years. This makes the Clifton 10583 far more than a conventional luxury dress watch: it is a mechanical calendar instrument designed for long-term appreciation, collecting, and heirloom-level ownership.

The sapphire crystal caseback reveals the movement architecture, reinforcing the watch’s status as the technical flagship of the Clifton line. Paired with the 18K rose gold case and formal black alligator strap, the overall composition feels rich, ceremonial, and deeply traditional, while still retaining the clean modern elegance that defines Baume & Mercier’s contemporary design language.

For clients comparing high-complication pieces from Patek Philippe, Vacheron Constantin, Jaeger-LeCoultre, IWC, or Audemars Piguet, the Clifton Baumatic Perpetual Calendar 10583 offers a compelling alternative: precious metal construction, a prestigious complication, refined Swiss execution, and an exceptional 5-day power reserve in a watch that remains elegant rather than ostentatious.

This is the type of timepiece that can anchor a collection. It offers the warmth of gold, the romance of the moonphase, the intellectual appeal of the perpetual calendar, and the everyday usability of the Baumatic platform. Sophisticated, mechanically significant, and visually timeless, the Clifton Baumatic 10583 stands as one of Baume & Mercier’s most important modern creations.

Technical Specifications

• Model Number: 10583
• Collection: Clifton Baumatic
• Case Size: 42 mm
• Case Thickness: 12.1 mm
• Case Material: 18K pink / rose gold, polished and satin-finished
• Dial: Warm white porcelain-like dial
• Hour Markers: Gilt indexes
• Hands: Gilt alpha hands
• Moonphase: Gilt moon-phase disc with blue lacquered finish
• Crystal: Scratch-resistant sapphire crystal
• Caseback: Sapphire crystal caseback with screw fastening
• Movement: Manufacture Baumatic BM13 automatic calibre
• Power Reserve: 120 hours / 5 days
• Frequency: 28,800 vph / 4 Hz
• Jewels: 21
• Water Resistance: 50 metres / 5 ATM
• Strap: Interchangeable black alligator leather strap
• Buckle: 18K rose gold ardillon buckle, polished and satin-finished
• Functions: Hours, minutes, small seconds, hand-type date, hand-type day of the week, hand-type month, leap-year indication, moonphase, perpetual calendar
• Swiss Made: Yes

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