Mondaine Swiss Railways Big Date Chronograph, ref. A690.30308. Dial modelled after the Swiss railway station watch, a licensed product. Sought-after first generation version of the watch with a more rounded stainless-steel case and a screwed back; later editions only feature a press-back. Good pre-owned condition with scratches to case and mineral crystal. Brand new premium nylon band fitted.

* Ronda 5040B Swiss quartz 10-hour chronograph movement with 1/10 sec display, split time, 1st/2nd finish features and a foudroyante function for the first 30 seconds

* big date at 12 o'clock

* black stick indices (the large ones are applied) and black hands

* relatively accurate, at +4 sec/month (measured by myself, not guaranteed)

* diameter: 40 mm

* lug width: 22 mm

* includes an unworn khaki nylon band with pull-tab spring bars.

I endeavour to provide a honest description of the watch. Kindly examine the images thoroughly as they form an integral part of the description, and let me know if you have any questions. Please note that this is a private sale and I offer no warranty, nor a right to a return or exchange. Registered postage, packing and handling are included in the price.