For sale is a very nice Favre-Leuba Bivouac Ref. 53203 with original Box. This Ref. was launched in 1962 and was the first wrist watch with Altimeter / Barometer function. This watch is one of the first 400 produced watches according to the serial number (3XX) Case Very nice, honest, worn & sharp condition. Caseback description incl. Ref. and serial number clearly visible. Diameter without crown 40mm Lug width: 21mm Strap Leather Hirsch black/red 20mm Original Favre-Leuba buckle is included Dial and Hands Sunburst Dial & original Hands in perfect condition Hands and Dial glow light under UV Crown Original Favre-Leuba crown Bezel Bi-direction brass feet Bezel 0 to 100 (0-10’000 feet) Movement Favre-Leuba signend Peseux 320 with altimeter function on top Movement has been serviced in October 2017 so it’s clean and running strong & well Alitmeter Barometer function is working as it should Price 4250 CHF / 3950 EUR / 4780 USD / 3400 GBP wired to my Swiss bank account. Fully insured shipping from Switzerland included. If you have questions or if you need additional pictures, please don’t hesitate to ask. Have also done some transactions on OF and feedback is here or available on request. Thanks ΩF for the space