This is a Rolex Royal ref 6144 with subsidiaries seconds hands. It has a nice protruding Rolex Crown and 2,4,8,10 numerals on the dial. The watch is from the year 1952. I was not expecting to get any watch today from Mr. Wong but this beauty is too good to miss as not everyday can we find Rolex with subsidiary seconds hand.
The Rolex Oyster Royal is a stainless steel Rolex series made in the 1950s and 1960s. It used at least two different mechanisms, the 700 and the 710. The 700 models use a sub-second hand and the 710 models use a center-second hand.
Mechanism:
The 700 series represents the fourth iteration of the Aegler Hunter 10 1/2 movement made for Rolex. This final version used the same simplified balance wheel as its predecessor the 'Superbalance Precision' but only used 15 jewels. The mechanisms are usually stamped with 'Rolex 15 Jewels Swiss Made' as well as 'Rolex Patent 10 1/2" H'.
The 710 is closely related to the Aegler 700. The primary difference is the position of the second hand. The 700 is "sub second", whereas the 710 is "center second".
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