Oris ProPilot X Calibre 115 44 mm Skeleton Dial | All Titanium (Ref. 01 115 7759 7153 Set7 22 01TLC)

The Oris ProPilot X Calibre 115 44 mm is the culmination of over a century of mechanical innovation and design independence — a flagship creation that encapsulates the brand’s vision for modern Swiss horology. Every detail of this extraordinary timepiece is a statement of intent: to build a mechanical watch of absolute transparency, honesty, and technical sophistication.

Crafted entirely in aerospace-grade titanium, the multi-piece case balances presence and lightness perfectly. The geometry is defined by sharp lines and matte textures that play beautifully with light, while the signature fluted bezel evokes the turbine blades of jet engines, a nod to the ProPilot collection’s aviation roots. At 44 mm, it commands attention yet wears remarkably light thanks to titanium’s exceptional density-to-strength ratio.

The skeletonized dial and movement architecture reveal the Calibre 115 in its purest form — not decorated to conceal, but engineered to display function. The oversized mainspring barrel is visible at 12 o’clock, a monument to the watch’s 10-day power reserve. At 3 o’clock, a patented non-linear indicator charts the remaining energy with an elegant arc, while a small seconds sub-dial between 7 and 8 o’clock adds visual rhythm to the composition. Each gear, bridge, and jewel is exposed, creating a sculptural landscape of pure mechanics.

Inside beats the Oris Calibre 115 — a hand-wound movement designed and built entirely in-house. It features a single barrel with a mainspring over 1.2 metres in length, providing consistent torque for ten full days of autonomy. Operating at 21,600 vph (3 Hz), the movement demonstrates remarkable stability and durability through low-friction materials and robust construction. Viewed through the sapphire caseback, the Calibre 115 is a study in mechanical honesty — industrial, precise, and completely authentic.

The ProPilot X Calibre 115 is more than a watch; it is a manifesto of Oris’s independent spirit. With its exposed mechanics, bold architecture, and 10-day power reserve, it represents the pinnacle of what can be achieved when form and function are truly one.

TECHNICAL SPECIFICATIONS

• Brand: Oris

• Collection: ProPilot X Calibre 115

• Reference Number: 01 115 7759 7153 Set7 22 01TLC

• Case Diameter: 44 mm

• Case Material: Multi-piece titanium (Grade 2 & Grade 5 finishing)

• Bezel: Fixed turbine-inspired titanium top ring

• Dial: Skeletonized with visible mainspring barrel and non-linear power reserve indicator

• Crystal: Sapphire crystal, domed on both sides with anti-reflective coating inside

• Caseback: Titanium screw-down with transparent sapphire window

• Bracelet: Integrated titanium bracelet with folding “LIFT” clasp

• Movement: Oris Calibre 115 (hand-wound, in-house)

• Power Reserve: Approx. 240 hours (10 days)

• Frequency: 21,600 vph (3 Hz)

• Functions: Hours, minutes, small seconds, non-linear power reserve indicator

• Water Resistance: 10 bar / 100 m

• Country of Manufacture: Switzerland

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