Bonhams : Rolex. A very rare stainless steel manual wind bracelet watch with Kew Certification and 'Especially Good' result Oyster Speedking 'Kew A Certificate', Ref: 5056, Circa 1947
Rolex Watches History: 1905–1919
Rolex history for you to discover: 100 years ago, in 1914, the Kew Observatory in Great Britain granted a “Class A” certificate to a wristwatch for the very first time. – Watch-Insider.com
Rolex, the Kew Observatory, and the "A" Certificate - Bob's Watches
The Rolex Kew A: Quite Possibly (And Very Likely) The Most Accurate Rolex Ever Made - HODINKEE
Bonhams : Rolex. A very rare stainless steel manual wind bracelet watch with Kew Certification and 'Especially Good' result Oyster Speedking 'Kew A Certificate', Ref: 5056, Circa 1947
Rob's Rolex Chronicle : Rolex Wristwatch First to Receive Kew Certification in 1914
Rolex] Update on a Customized Rolex Kew A Chronometer : r/Watches
TimeZone : Public Forum Archive » Your 'Watch of the Decade'..one you've owned, with pic please.
The Hammer Drops On A Pair of Rolex Kew A Chronometer Watches at Bonhams
Auctions: Two Rolex Kew A Chronometers Are For Sale This Week At Bonhams - HODINKEE
Rolex Ref. 6210 'Kew A Certificate' First Series Rolex, 'Oyster, Observatory Chronometer, Kew A Certificate', movement No. 4157, case No. 97476, Ref. 6210. Made in only 24 examples in 1954. Very fine,
Rolex] Legend Finally Acquired - the World's Rarest(?) Production Rolex : r/Watches
The Hammer Drops On A Pair of Rolex Kew A Chronometer Watches at Bonhams
The Rolex Kew A: Quite Possibly (And Very Likely) The Most Accurate Rolex Ever Made - HODINKEE
Auctions: Two Rolex Kew A Chronometers Are For Sale This Week At Bonhams - HODINKEE
Rolex] Update on a Customized Rolex Kew A Chronometer : r/Watches