Caliber 673 is an automatic chronograph movement manufactured by Oris. Based on the Valjoux 7750, it operates at 28,800 vph with approximately 42 hours of power reserve. Introduced in 2000, it represents Oris's use of the ETA/Valjoux 7750 platform before transitioning to Sellita movements. The movement is not in-house and production has been discontinued.
Last updated 8 Jul 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Power Reserve
42h
Frequency
28,800 vph (4 Hz)
Display Type
Analog
COMPLICATIONS
Chronograph
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
DiscontinuedMANUFACTURE
ÉbaucheLAUNCH YEAR
2000BASED ON
Valjoux Valjoux 7750CALIBER FAMILY
673FOR WATCH DEALERS
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