Rubber strap by Rubber B: Tudor Heritage Black Bay 41mm and Heritage Chronograph (excluding BB58 or 43mm Bronze models)
high quality Swiss made case opener for Rolex and Tudor watches with 6 chucks in Ø:
18.50mm, 90 teeth
20.20mm, 96 teeth
22.50mm, 112 teeth
26.50mm, 128 teeth
28.30mm, 144 teeth
29.50mm, 144 teeth
made in china