Genuine Heuer Monaco by TAG Heuer Leather Strap FC6241 with FC5042 folding clasp.
Ca. 22 mm at the watch lugs ends, short piece is ca. 85 mm, long piece is ca. 105 mm.
The strap is maked with the old HEUER logo.
Specifically fits Heuer Monaco re-edition models, but will fit any similar TAG Heuer models with 22 mm at the watch lugs.
The folding clasp is marked HEUER | STAINLESS STEEL | F N8 | FC 5042.