Oris ProPilot X Calibre 115 44 mm Skeleton Dial | Leather Strap (Folding Clasp) (Ref. 01 115 7759 7153 Set5 22 04TLC)

The Oris ProPilot X Calibre 115 44 mm on leather strap embodies everything that defines the brand’s flagship engineering achievement — the purity of a hand-wound movement, the transparency of a skeletonized design, and the enduring beauty of mechanical independence.

Presented in aerospace-grade titanium with a jet-engine-inspired fluted bezel, this ProPilot X balances strength and sophistication. The open-worked architecture reveals the Calibre 115 in all its glory — bridges, gears, and the monumental mainspring barrel that stores energy for a full 10 days of autonomy. A non-linear power reserve indicator at 3 o’clock tracks energy in a graceful arc, while a small seconds display at 8 o’clock adds visual balance.

Through its sapphire crystal front and back, the Calibre 115 becomes a living mechanical sculpture — each component exposed in its raw, functional beauty. Oris eschews superfluous decoration, opting instead for industrial finishing that honours precision machining. The result is a timepiece that celebrates mechanics as art.

The hand-wound movement features a 1.2-metre mainspring, 38 jewels, and operates at 21,600 vph (3 Hz), ensuring stability and longevity. The 100-metre water resistance and robust titanium build make it as capable as it is refined. This leather-strap variant adds an element of tactility — supple yet durable — and the titanium folding “LIFT” clasp mirrors the mechanical precision of the watch itself.

The ProPilot X Calibre 115 is Oris’s crowning achievement — a watch that exemplifies independent Swiss craftsmanship, avant-garde design, and technical excellence. This is horology at its purest form: open, authentic, and utterly extraordinary.

TECHNICAL SPECIFICATIONS

• Brand: Oris

• Collection: ProPilot X Calibre 115

• Reference Number: 01 115 7759 7153 Set5 22 04TLC

• 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

• Strap: Premium black leather strap with titanium 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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