4. 如何根据个人风格和场合选择合适的手表款式？ (How can one choose an appropriate watch style based on personal fashion and occasion?
3. 手表的维护保养有哪些重要注意事项，以延长其使用寿命？ (What are important maintenance tips for watches to extend their lifespan?
2. 什么是手表的防水性能等级，它如何影响手表的选择和使用？ (What are the water resistance ratings for watches, and how do they affect watch selection and usage?
除了显示时间之外，现代手表还具备哪些其他功能？ (Besides displaying time, what other functions do modern watches have?
