Watch

A watch, comprising a main body and a watch strap, wherein:

• the main body comprises a middle frame and a decorative ring, the middle frame is provided with a sliding groove, an outer wall of the middle frame is provided with a watch strap insertion opening that is communicated with the sliding groove, the decorative ring is rotatably connected to the middle frame, the decorative ring is provided with a latch portion, and the latch portion extends into the sliding groove, wherein the latch portion comprises arc-shaped plug-in shafts including a first arc-shaped plug-in shaft and a second arc-shaped plug-in shaft disposed on two opposite sides of the decorative ring, and a length of the first arc-shaped plug-in shaft is different from that of the second arc-shaped plug-in shaft;
• an end of the watch strap is provided with a latch engagement portion, and at least the latch engagement portion is configured to be inserted into the sliding groove through the watch strap insertion opening;
• and
• the decorative ring is movable between a first location and a second location relative to the middle frame, wherein when the decorative ring moves toward the first location, the latch portion moves within the sliding groove to be plugged in the latch engagement portion, and the watch strap is connected with the main body, and when the decorative ring moves toward the second location, the latch portion moves within the sliding groove to be separated from the latch engagement portion, and the watch strap is separatable from the main body.