Musical Instrument Accessories
XTINKOPW 1pc 39.5mm Vintage Watch Case for NH35 NH36 Movements Stainless Steel Shell Watches DIY Modification Parts 100m Super Waterproof(5)
Case diameter: 39.5 mm Case thickness: 16 mm Suitable dial: Diameter 28.5 mm Case material: stainless steel Handle width (suitable for strap width) : 20 mm
https://www.bizrate.co.uk/musicalinstrumentaccessories/xtinkopw-1pc-39-5mm-vintage-watch-oid38211194309.html