Tissot Heritage Porto Mechanical Small lady
T128.161.16.012.00
- Diameter:22 mm
- Up to 48 hours power reserve
- 316L stainless steel case
- See-through caseback
- Swiss manual-winding movement
- Domed scratch-resistant sapphire crystal with antireflective coating
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Swiss made watches
Technical specificities
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Mechanical Movements
A Tissot mechanical movement contains an average of 100 finely manufactured parts. The balance wheel lies at the heart of the movement and ensures its accuracy. With its constant backwards and forwards movement, the balance and the balance spring divides the time into equal portions, thereby accurately regulating the movement of time. The movements of the balance spring, called oscillations, are what causes your watch to “tick”. The balance wheel’s total oscillations equate to 385,000 turns a day. Non-contractual image
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Water resistance
All Tissot watch cases undergo several tests, including a water resistance check. Tissot tests the watch's ability to resist impacts and pressure, as well as the penetration of liquids, gas and dust by replicating the real-life conditions in which the watch may find itself. Non-contractual image
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Nivachron™
Because the magnetic fields generated by our electronic objects (mobile phone, computer, radio, magnetic closure, etc.) are ever more present in our daily lives, Tissot has developed a new, titanium-based alloy at the cutting edge to preserve the precision of its watches. A Nivachron™ balance spring is regarded as far more resistant to and unaffected by magnetic fields than standard springs. Non-contractual image
