DIAM. 36 mm. THICKNESS 12 mm. Property of the original family Known as the large bubbleback these reference alongside its sister reference 6098 (which has a smooth bezel) was unusual at the time due to its large 36 mm case size. Consigned by the family of the original owner it has been conserved it remarkable condition with a mint dial and a deep crisp hallmark to the lug. Over the last 15 years Antiquorum has only ever sold 2 examples of this reference one in gold and one in steel.