DS1 Dubey & Schaldenbrand Index-Mobile. Watch measures a good 37mm and is made from yellow gold plated steel. Manual winding movement based upon a Landeron caliber modified with the index-mobile module. Plexiglass crystal. Not waterproof. Snap-on steel case back. Functions are hours, minutes, small seconds, chronograph with interval stop (simplified split-seconds) (index-mobile), tachymeter and a telemeter scale. This watch is fitted with a brand new and unused lizard skin strap with the original yellow gold plated pin buckle. Naturally this watch is complete with the original box and a copy of the original instruction on how to operate the watch. Please be aware that this watch is New Old Stock and was never used nor sold. Comes straight from a Swiss watch dealer who stocked this watch originally! A SUPER RARE find in this pristine mint condition! SOLD