No doubt this reference guide is extremely helpful, and very Thorough Regularly updated and MOST Certainly worth buying watches for collectors addicted. BUT I regret it is so orientated North America collectors. ALTHOUGH several US manufacturers are Well Known abondantly covered, the output of Well Known Few european famous watch makers is Properly documented and Many Are simply ignored. as for the japanese Seiko brand, just one model is referenced !! Otherwise the technical introduction is Useful and Brings to light basic principles of horology, includes more general information on how and what to check before a purchase. How Would one last deal with the lack of indicative value for pre-owned watches collectable Produced in last two or three decades. Rolex excepted, of course. Rather this is surprising As Any hints watch forum has substantial businesses That percentage of Watch collector is now inclined to purchase fairly recent complicated, fancy or unusual watches.
