Oris Big Crown Calibre 113 43 mm Business Calendar | Steel Bracelet (Ref. 01 113 7800 4057-07 8 21 06)

The Oris Big Crown Calibre 113 43 mm stands as the apex of Oris’s independent horological ambition — a watch that marries iconic design with bold mechanical innovation. From its heritage-inspired “Big Crown” silhouette to the in-house hand-wound Calibre 113, every detail affirms a commitment to craft, function and joyful expression.

Encased in a robust multi-piece stainless-steel case measuring 43 mm across, the watch retains the heritage proportions that echo Oris’s pilot-watch roots. The oversized “big” crown, originally designed for gloved airmen, is now a design hallmark that ensures instant presence and intuitive winding. The case is topped with a double-domed sapphire crystal with anti-reflective coating, and a see-through screw-down case-back reveals the movement within.

The dial is a study in clarity and utility: a vivid textured mint-green surface is animated by rose-pink accents on the sub-counters and week-pointer scale, while applied indices and hands are treated with Super-LumiNova for legibility in all conditions. The outermost ring features a 52-week scale, indicated by a central pointer hand; a day window at 12 o’clock, date window at 6 o’clock, and a non-linear power reserve indicator at 3 o’clock deliver full “business calendar” functionality in one sweep. Every glance communicates both the time and the rhythm of the year.

At its heart lies the Calibre 113 — a hand-wound movement built entirely in-house by Oris. With a single oversized barrel, it stores 240 hours (10 days) of power reserve, offering stability and autonomy rarely seen in this segment. The non-linear power-reserve indicator uses a patented worm-gear mechanism, delivering increased resolution as the barrel unwinds — a technical flourish visible at 3 o’clock. The movement runs at 21,600 vph (3 Hz), includes a stop-second function for precise setting, and its exposed architecture through the sapphire back speaks clearly of mechanical authenticity.

The integrated stainless-steel bracelet has been engineered for both elegance and comfort: brushed and polished surfaces, a folding “LIFT” clasp, and tapering links reflect the same discipline found in the movement itself. Water resistance is rated at 5 bar (50 m) — more than adequate for everyday wear given the watch’s mechanical complexity.

This Big Crown Calibre 113 is more than a timepiece; it is a manifesto. A statement by Oris that independent watchmaking can be serious, creative and joyful in equal measure. For the collector who demands technique and character — this watch delivers both in spades.

TECHNICAL SPECIFICATIONS

• Brand: Oris

• Collection: Big Crown Calibre 113

• Reference Number: 01 113 7800 4057-07 8 21 06

• Case Diameter: 43.00 mm

• Case Material: Multi-piece stainless steel

• Bezel: Fixed stainless-steel top ring

• Dial Colour: Mint-green textured with rose-pink counters and pointer-week scale

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

• Caseback: Stainless steel, screw-down, with exhibition sapphire window

• Bracelet: Stainless steel bracelet with folding clasp

• Movement: Oris Calibre 113 (hand-wound, in-house)

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

• Frequency: 21,600 vph (3 Hz)

• Functions: Hours, minutes, small seconds (9 o’clock), non-linear power reserve indicator (3 o’clock), day window (12 o’clock), date window (6 o’clock), week pointer (52-week scale)

• Water Resistance: 5 bar / 50 m

• Inter-Horn Width: 21 mm

• Country of Manufacture: Switzerland

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