Jiaming code watch original bracket fixing seat is compatible with Blackbird code watch seat and can be used universally.
The bicycle watch holder with the same caliber is universal in most cases, but it will not work if the caliber is different.
The watch bracket with the same caliber can be adapted to most bicycle frames, but if the caliber of the frame is different from that of the watch bracket, an extra adapter needs to be purchased, which will increase the cost and installation steps.
When buying a bicycle watch bracket, you need to pay attention to whether the caliber of your frame matches the caliber of the bracket. If you are not sure, it is recommended to consult a professional, or choose a bracket of the same brand as your frame.
To sum up, the original bracket fixing seat of Jiaming code watch is compatible with Blackbird code watch seat, so Jiaming and Blackbird code watch seat are common.