Baume and Mercier Riviera - Green - 39mm

It uses an internal rotor that spins with the natural motion of your wrist, which in turn winds the mainspring that powers the watch.

While the watch is built to be robust, please check the specific water resistance rating on the case back before submerging it in water.

No, as an automatic mechanical timepiece, it does not use batteries.

It is generally recommended to have automatic watches serviced by a professional every 3 to 5 years to ensure long-term accuracy and longevity.

Yes, 39mm is considered a 'sweet spot' for most wrist sizes, offering a modern look that is neither too large nor too small.

The Riviera is designed for versatility, and the strap can typically be swapped by a professional jeweler or using the correct tools if you are experienced.

Manually wind the crown clockwise 20-30 times to replenish the power reserve.

This may indicate the need for professional regulation or potential magnetic interference; consult a certified watchmaker.