Ulysse Nardin 1503-170LE-2A-TOR/3A Diver Chronograph The Ocean Race 44mm Black Dial Watch

Ulysse Nardin The Ocean Race Diver Chronograph – Ref. 1503-170LE-2A-TOR/3A

Discover the bold spirit of marine exploration in the limited-edition Ulysse Nardin Diver Chronograph “The Ocean Race” (Ref.1503‑170LE‑2A‑TOR/3A), crafted to mark the 50th anniversary of the iconic sailing event. Released in 2023 with only 100 pieces worldwide, this 44 mm chronograph represents sustainable technical innovation, precision timing, and a powerful tribute to ocean racing.

Innovative Materials Case Design

The sturdy 44 mm case is crafted from black DLC-coated titanium, balancing lightweight comfort with rugged durability. Encircling the case is a unidirectional bezel made of Carbonium®, a marbled aerospace-grade carbon fiber that offers exceptional strength and a 40% lower environmental footprint. With water resistance rated at 300 m (30 ATM), this chronograph is built for serious aquatic performance.

Dynamic Dial Chronograph Functionality

The matte black sandblasted dial features three recessed subdials: a 30-minute chronograph counter at 3 o’clock, a 12-hour chronograph and date display at 6 o’clock, and running seconds at 9 o’clock. Accented in light blue, the chronograph seconds hand, bezel markers, and push-button ring recall The Ocean Race colors and evoke nautical precision. All hands and indices are filled with blue-glowing Super-LumiNova® for clarity underwater.

Movement: UN‑150 In‑House Chronograph

At 1503-170LE-2A-TOR/3A core lies the COSC-certified UN‑150 automatic chronograph movement, featuring an integrated column-wheel architecture. Beating at 4 Hz with a 48-hour power reserve, the caliber includes a silicon escapement and DiamonSIL® components for excellence in precision, shock resistance, and magnetism immunity. The sapphire caseback is engraved with The Ocean Race 50-year anniversary logo, offering both mechanical insight and commemorative detail.

Sporty Rubber Strap with The Ocean Race Branding

This reference /3A is paired with a rugged black rubber strap featuring a ceramic insert engraved with The Ocean Race logo. The strap ensures maximum comfort and wearability both at sea and on land, while the traditional pin buckle in titanium keeps it secure and streamlined.

Notable Features at a Glance

• Reference: 1503-170LE-2A-TOR/3A
• Case: 44 mm black DLC titanium
• Bezel: Carbonium® unidirectional bezel with raised luminous numerals
• Dial: Sandblasted black with light-blue details, recessed chrono counters
• Movement: UN‑150 automatic column-wheel chronograph, 48‑h power reserve
• Water Resistance: 300 m (30 ATM)
• Strap: Black rubber with ceramic emblem and titanium pin buckle
• Edition: Limited to 100 pieces globally

What Makes 1503-170LE-2A-TOR/3A Unique

• The Ocean Race partnership: Celebrates UN’s role as official timekeeper and environmental sponsor of the race’s 50th anniversary.
• Eco-innovative materials: Carbonium® bezel paired with DLC-coated titanium delivers strength with sustainability.
• Integrated chronograph excellence: The UN‑150 caliber offers high-precision mechanics in a robust diver format—rare for a marine chronograph.

Conclusion

The Ulysse Nardin The Ocean Race Diver Chronograph Ref. 1503-170LE-2A-TOR/3A is a collector’s piece where mechanical sophistication meets ocean-minded design. From its sustainable materials to the precision UN‑150 caliber, every detail celebrates endurance, style, and purpose. A statement of professional diving heritage and environmental stewardship, this limited-edition chronograph is designed to make waves.