An early 1970s Rolex Oyster Perpetual Air-King-Date stainless steel wristwatch head

An early 1970s Rolex Oyster Perpetual Air-King-Date stainless steel wristwatch head, 34mm, Ref. 5700, with grey satin dial having date aperture, serial number: 2785638, sold with a damaged and part Rolex Oyster stainless steel trap, a heavily worn stainless steel strap, and an unworn black leather strap. Case: quite a lot of wear and scratches and some dirt, Dial: overall ok, Glass: replaced Perspex glass with lots of wear and scratching, Cover: numbered 1500, with wear and scratches, Movement: running well and overall ok just some staining, numbered 1520, Crown: Typical wear and overall OK, no box or papers