The Tissot caliber 6972 is a vintage manual-winding chronograph movement, based on the Lemania 1872. It was produced during the 1970s and featured in various Tissot chronograph models, often co-developed with Omega under the SSIH group. As a mechanical chronograph, the 6972 requires careful handling and regular maintenance to ensure long-term reliability and accuracy.
Recommended full service every 4 to 6 years, even if the watch is functioning well.
Vintage movements like the 6972 benefit greatly from preventive maintenance to avoid wear from dried lubricants or hardened oils.
Complete disassembly of the movement and chronograph module
Ultrasonic cleaning of all components
Lubrication of key friction points with appropriate modern oils
Replacement of worn parts (gears, springs, pivots) if needed
Timing adjustment in multiple positions
Reassembly and calibration of the chronograph (start, stop, reset functions)
While many 6972-based watches were not highly water-resistant originally, vintage gaskets often degrade. Replace all seals (crown, pushers, caseback) if applicable.
Avoid exposing vintage chronographs to water unless fully restored and tested for water resistance.
Avoid over-winding. Stop winding as soon as you feel resistance.
Use the chronograph pushers gently. Don’t engage the chronograph while resetting—it can damage the mechanism.
Always reset the chronograph after stopping; don’t leave it running indefinitely.
Store in a dry, temperature-stable environment.
Keep away from magnets and strong shocks (which can affect balance and timing).
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