Omega Speedmaster - 57 Co-Axial Master Chronometer Chronograph 40.5mm Watch

It is recommended to have your watch serviced every 5-7 years to ensure optimal performance.

Yes, it is water-resistant up to 5 bar (50 meters), suitable for everyday use but not for swimming or diving.

Wind the watch by turning the crown clockwise about 20-30 times if it has stopped.

Pull the crown to the first position and rotate it to set the date.

It means the watch has been rigorously tested and certified by METAS for exceptional accuracy, performance, and resistance to magnetic fields.

It is recommended to have a professional adjust the bracelet to ensure a proper and secure fit.

Use a soft, damp cloth to gently wipe the watch. Avoid using harsh chemicals or abrasive materials.

Check if the watch needs winding, or have it serviced by a professional if the issue persists.

Ensure the chronograph is not locked. Press the pushers to start, stop, and reset. If still not working, service the watch.

Check if the crown is in the correct position for date setting. If the issue persists, the watch may require professional service.

Wind the watch manually. If it still doesn't start, the watch may need to be serviced.