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Oris Big Crown X1 Calculator

Flying through time On 14th October 1947, the first manned supersonic flight took place, breaking the sound barrier and entering the history books. The stunning new Oris Big Crown X1 timepiece is a direct homage to this incredible aviation milestone, featuring historically accurate ‘slide rule’ detailing and 3 bar water-resistance as standard.

Case Oris Big Crown, 46.00 mm, 1.811 inches, Stainless steel / grey plated

Material Multi-piece stainless steel case, grey PVD plated

Size 46.00 mm, 1.811 inches

Top Glass Sapphire, domed on both sides, double-sided anti-reflective coating

Case Back Stainless steel, grey PVD plated, screwed, see-through mineral glass, special engravings

Operating Devices Stainless steel screw-in security crown and pushers, grey PVD plated

Water Resistance 3 bar (30 m, 98 ft)

Interhorn Width 23 mm

Movement Automatic winding chronograph

Number Oris 675, base ETA 7750

Dimensions Ø 30.00 mm, 13 1/4’’’

Functions Centre hands for hours, minutes and chronograph 1/4 seconds, 3 subsidiary dials for continuous seconds, 30 minutes and 12 hours counter, day/date window, date and day corrector, fine timing device and stop-second

Winding Automatic winding, with red rotor

Power-Reserve 48 hrs

Vibrations 28’800 A/h, 4 Hz

Jewels 25

Dial Black

Material Black dial

Luminous Material Indices and hands Superluminova BG W9

Strap/Bracelet Leather

Material Dark brown leather strap, stainless steel buckle, grey PVD plated

Extras Special box with slide rule scale on top, DVD of the movie "The Right Stuff", certificate

Reference 01 675 7648 4264-07 5 23 77

We reserve the right to make technical or aesthetical changes to the models shown.