Musical Instrument Accessories
XTINKOPW 1pc 39.5mm Steel Watch Case Retro Flat Mirror Case with Crystal Fit NH35 NH36 Movement Rotated Counterclockwise120 Click(06)
Case diameter: 39.5 mm. Case thickness: 13.5 mm. Suitable dial: 28.5~29mm in diameter. Handle width (suitable for strap width): 20 mm.
https://www.bizrate.co.uk/musicalinstrumentaccessories/xtinkopw-1pc-39-5mm-steel-watch-oid38622525998.html