This is a fairly rare silver dialed version with a lovely sun-burst finish and orange accents with a nice patina to them. Width - 42mm (without crown) Length - 48.7mm Depth - 15mm Lug width - 20mm Movement - Cal12, automatic Glass - flat mineral Serial no - 291372 (clear, as is model number) Year approx. 1972/1974 The case has some signs of wear, but no significant dinks or dents. SH is unknown and a Q&D on the timegrapher (face up) shows it running at +12spd, amplitude @235 and a BE of 0.1ms. The chrono starts/stops/resets without any issues and the date clicks over at 11.57. £4000 head only, incl. UK shipping, anything else to be discussed. Happy to send more pictures is required.