: If your watch has a date or day window, the dial's cutout must align perfectly with the date wheel on the movement. 2. Materials and Finishes
Buying a watch dial requires precision, as compatibility is determined by the specific movement and case of your timepiece. A proper match ensures accurate time display, smooth hand operation, and correct date alignment. 1. Essential Technical Compatibility
: The dial's outer diameter must match the internal opening of your watch case. Common modding sizes, such as for the Seiko NH35 movement, are often 28.5mm .