Ulysse Nardin Sonata Streamline 44mm Titanium Alarm & GMT

Description

The titanium watch Ulysse Nardin Sonata Streamline 44mm titanium is a remarkable high-complication watch that exemplifies why serious collectors seek out rare titanium watches with advanced mechanical features. The lightweight Grade 5 titanium case (44mm) houses an extraordinary movement with separate mainspring barrels for timekeeping and alarm, wound bidirectionally via the crown. The alarm sets up to 24 hours ahead (rare for mechanical watches) with dual upper displays showing setting and countdown, culminating in a cathedral gong chime—melodic and rich, like a miniature minute repeater, rather than a standard buzz.

A centrifugal governor spins visibly between 7 and 8 o’clock during alarm operation, while a small indicator at 9 o’clock shows if the alarm is armed. The second time zone at 6 o’clock adjusts forwards or backwards via pushers at 4 and 8 o’clock. The exhibition caseback reveals the beautifully decorated movement.

This pre-owned example is in excellent condition with full original set (box, papers, booklets)—ensuring authenticity and collector appeal at $18,500 USD (competitive with secondary market $15,000–$22,000+ for similar Sonata Streamline titanium pieces).

Among titanium watches, the Sonata Streamline stands out for its complication density and sound quality—contrasting simpler titanium divers (e.g., Omega Seamaster, Tudor Pelagos) with alarm/GMT functionality. Compared to Patek Philippe or Audemars Piguet complications, Ulysse Nardin offers exceptional value and heritage (founded 1846). Versus standard Rolex or Omega, it delivers unique cathedral chime and 24-hour alarm advance.

Occasions suit this watch for collectors, travelers (dual time zones), or those who appreciate mechanical artistry—the titanium keeps it light for daily wear, while the chime adds a delightful ritual.

Deep insights: Ulysse Nardin’s Sonata line (2000s–2010s) pioneered advanced mechanical alarms; titanium variants are rarer and prized for modern feel. Cathedral gongs and centrifugal governor showcase high-end finishing—strong collectibility and appreciation potential.

Secure this impressive titanium watch with insured shipping. Contact us for extra photos or authentication details to own this technical marvel!

• Brand: Ulysse Nardin
• Model: Sonata Streamline
• Reference: 320-90 (or similar Sonata Streamline titanium variant)
• Category: Luxury Complication Watch / Alarm & GMT / Titanium Watch
• Case Size: 44mm (diameter) x ~13.5mm (thickness), lug-to-lug ~50mm
• Material: Grade 5 titanium case (lightweight, hypoallergenic, corrosion-resistant)
• Dial: Multi-layer with two side-by-side alarm displays (upper half), 24-hour countdown, second time zone at 6 o’clock, alarm engaged indicator at 9 o’clock
• Bezel: Fixed titanium
• Movement: Ulysse Nardin automatic calibre (dual mainspring barrels for time & alarm), cathedral gongs for minute repeater-like chime
• Power Reserve: Approximately 50–60 hours (timekeeping)
• Water Resistance: 50 meters / 165 feet
• Crystal: Sapphire (front and exhibition caseback)
• Strap/Bracelet: Titanium bracelet or rubber/leather (confirm with your stock; assume titanium for profile)
• Condition: Pre-owned / Excellent (great overall, fully functional)
• Features: Mechanical alarm (24-hour advance setting), cathedral gong chime, second time zone (pushers at 4 & 8 o’clock), centrifugal governor (spins during alarm), bidirectional crown winding
• Price: $18,500 USD (placeholder—adjust to your actual asking price)
• Year: Recent (assume 2010s–2020s production)
• Authenticity & Included: 100% genuine Ulysse Nardin; Original Box, Papers, Booklets, Warranty (if remaining), Complete Set
• Other Details: One of the most advanced mechanical alarm watches; cathedral gongs provide melodic chime (unlike buzzing alarms); impressive technical feat from UN’s heritage

Characteristics

The Ulysse Nardin Sonata Streamline in 44mm titanium is a technical tour de force, packing dual time zones, a sophisticated mechanical alarm, and cathedral gong chime into a lightweight, durable titanium case. The alarm sets up to 24 hours in advance (unusual for mechanical alarms) with side-by-side displays showing setting and countdown. The melodic chime (akin to a minute repeater) uses cathedral gongs for a rich sound, while a centrifugal governor spins visibly during operation.

The second time zone at 6 o’clock adjusts forwards/backwards via pushers. Bidirectional crown winds separate barrels for time and alarm. The titanium case keeps weight low while offering strength and hypoallergenic properties. As a titanium watch, it combines advanced complications with modern material innovation—ideal for collectors seeking rarity and engineering excellence.