Top quality centre-seconds wristwatch as supplied to Her Majesty’s Armed Forces, 1968.
Stainless-steel case with fixed lugs and screw back case, movement cap and original button, fully marked: W10/6645-99-961-4045, together with the Broad Arrow and the number 2420/69, the last two digits indicating the date, 1970. Cal: 60466E, 17-jewel, shockproof movement with hacking seconds operated via the button. Double-roller lever escapement with steel escape, the monometallic balance with beryllium balance-spring. Black dial with Broad Arrow mark and T within a circle, denoting the use of Tritium (luminous) on the dial. 35mm diameter, not including button or lugs.
A good example of Smiths model GS.4701 wristwatch. This watch, based on the Astral movement, had to meet exacting specifications and was subjected to exhaustive tests by the Hydrographer of the Royal Navy, chronometer branch, Herstmonceaux, before being accepted for use by Britain’s Armed Forces.
For more information about Smiths English wristwatches see the short note in my website Glossary, my illustrated article on Smiths ‘English Wristwatches’ in the April 2003 issue of Antique Collecting and the recent article by David Read in the March 2017 issue of Antiquarian Horology.
Case, dial and movement showing just a few minor signs of active service. Fitted with good quality olive drab, Nato style, military strap. Serviced and guaranteed.
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