Tudor Advisor Jumbo (Extremely Rare) Ref. 7926 with the manual winding Tudor A5 1475 calibre, 46-hour power reserve. Comes on an aftermarket Alessandro Cianni leather strap with an OEM vintage Tudor buckle (also extremely rare), no box or papers. Case diameter 38mm excluding crown, 40.5mm including. This measures 46mm lug to lug with a 19mm lug width and 12,8mm thickness. Watch recently underwent extensive service by a Rolex-trained professional 4-decades in the industry. All features work extremely well (the alarm sure buzzes and vibrates away) and it holds time. The 50XXXX Serial dates this watch to 1966, around last year of this model. The 7926 was in production for approximately ten years (‪1957-1967‬) until it was replaced by a new Advisor reference - the 10050 in around 1969. I may be incorrect in some of my claims this is the best to my research. Tudor had the first automatic chronograph and their Submariner was rated to 200m depth ahead of Rolex’s Submariner. There was another watch however that really was a technical achievement for its time and added another string to Tudor’s ‘technical bow’ - the Advisor. Launched in 1957, the Tudor Advisor reference 7926 was a mechanical alarm wristwatch, housed in a 34mm Oyster case. Tudor used a modified A Schild movement that featured an alarm function where a hammer would strike against a pin welded onto the inside of the caseback. There were three or four different dial variations, mostly with applied hour markers, dauphine hands and a red alarm hand. There is certainly nothing ambiguous about the quality, styling or functionality of this piece. It is unmistakably Tudor in all senses; elegant, luxurious, classic, stylish and a 17 jewel mechanical movement to boot. The stand out visual difference with the Advisor, when compared to other Tudor Oysters, was the fact that there were two crowns on the right side of the case. Tudor had to use a different type of crown on these pieces and so were the only Oyster-cased watches to feature anonymous (ie without the Rolex coronet) crowns. The upper most of the two crowns (at 2 o’clock) was for winding up the alarm, setting the alarm hand and activating the alarm (on or off). The second lower crown was a standard winding and setting crown for the time. Credit to Ross Povey of Watchonista, @tudorcollector for the write-up for the wonderful article excerpted above, explaining the history of this piece. Asking $2775 USD ($3800 CAD net to me) plus label. No trades at this time.