万国服务部1904年，公司的所有者LouisCartier为他的好朋友Santos设计了一种可以戴在手腕上的手表。它几乎可以将任何无机材料与金属结合。万国服务部从现在开始，当前的型号使用蓝宝石镜片。

                         

来源：韶关石英表售后服务  

However, I he not yet realized the actual disk display, and some netizens he speculated that it may be similar to the picture below (the model used for cooperation).More than 300 models of 'Wild Panda' are used.

                         

来源：梅州宝珀售后维修 

万国服务部手表后盖上刻有的大多数图案和字母都很厚且模糊，没有指示表壳号和机芯号。我很惊讶！这些手表的大量涌入将给瑞士手表业造成巨大损失。万国服务部也许正因为如此，劳力士成功地做到了这一点，并引起了“所有佩戴劳力士的人都是暴发户”的错觉。万国服务部

                          

参考文献：天梭服务地址  

Back to the question itself, why high-end watches prefer to use belts? I think it is mainly related to brand positioning. High-end brands usually choose higher-cost belts because of their high prices.The ready-to-wear category is said to be difficult to sell, but it can also guarantee the bottom line, because it has shop VIPs to pay, but the brand needs to control the volume and not cause too much inventory.