This 016 strap is designed as a single strap construction, some what in-between a Nato and a Bund. One would require to remove the push-pin in order to install the watch head itself onto this strap. Available in Hand Dyed Black, Red or keeping it Natural on Italian Veg Tan Hide. As all our items, the 016 straps are hand crafted, from hand punched brogue essence, stitching to burnishing of edges. This strap would take watch head 40 to 45 mm measuring from end of the 2 push pins. Currently comes in 20/20 configurations with buckle, while we are exploring a 22/22 option (depending on demands).