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Here is an uncommon 1960’s ORIS power reserve complication measuring 35mm. across with gleaming rhodium bezel and stainless steel screw back! The upper indicator displays the amount of winding tension that remains in the mainspring, measured in hours (up to 35 hours); similar to the LeCoultre Power reserve watch! The original eggshell dial with gold tone markers and Arabic (desirable) 12, 3, 6, 9 combination and matching dauphine, pitched hands is virtually pristine! Oris would often have a different name on the dial such as this (RENOWN). This is completely correct and was often done by watch companies. The automatic winding movement by ORIS was just cleaned and is quite accurate. Notice the signed, dial, case and movement; all ORIS. These power reserve watches are becoming hard to find!