Home / Oris Watches / Oris Big Crown X1 Calculator 675 7648 4264

Oris Big Crown X1 Calculator 675 7648 4264


Chronolux Fine Watches are pleased to present, brand new in box, the fabulous Oris Big Crown X1 Calculator Automatic gents Swiss watch featuring chronograph and day and date in a cool PVD coated stainless steel case with transparent exhibition caseback on fine leather strap with tang buckle.

Featuring historically accurate slide rule markings with bezel correction, the Oris Big Crown X1 Calculator is a superb commemoration of the occasion of the first manned supersonic flight in 1947.

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Product Details & Specifications

Model / Style

Big Crown X1 Calculator

Ref. No

675 7648 4264


PVD coated stainless steel with sapphire crystal, knurled bezel and screw in crown. Transparent exhibition caseback


Fine leather strap with tang buckle


Black with with arabic numerals and luminous hour markers, luminous steel hands


30 minutes and 12 hour chrono counters at the 12 and 6 o'clock positions, small seconds with weekday inset at the 9, date window at the 4


Oris Cal.675 (base ETA 7750) automatic self-winding mechanical movement


Hours, minutes, small seconds, day, date, chronograph, slide rule





Water Resistant

Yes, to 300m

Style Type


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