Longines COSD (1944)
Longines COSD (1944)
Longines COSD (1944)
Longines COSD (1944)
Longines COSD (1944)
Longines COSD (1944)
Longines COSD (1944)
Longines COSD (1944)
Longines COSD (1944)
Longines COSD (1944)

Longines COSD (1944)

Longines COSD (1944)

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The Longines COSD is one of the rarest and most mysterious of all the British Military watches from WW2. There is a fair degrees of speculation about their original use but I think it’s generally accepted that they were designed for amphibious troops - frogmen and the like. They were supplied during the second world war, but relatively few were issued, perhaps around 200 pieces.

What is known for sure is that the movements, along with dials and handsets were supplied by Longines of Switzerland. There were delivered to the UK without cases, and were cased up in the UK, using domestically produced cases. It’s assumed that the cases were made by Dennison, who were one of the few (perhaps the only?) large scale watch case manufacturer in the UK. Counting against this theory is how relatively crudely the cases are made and finished - they don’t really look like commercially produced items, which is reflected in their “Tuna Can” nickname.

What’s clear is that the watch was designed to be be legible, sturdy, and dependable in the field. The dial features bold Arabic numerals and a crisp railroad minute track, offering the quick, intuitive legibility demanded by service use. The syringe-style hands are luminised and the watch is powered by a very well made and accurate Longines 12.68N manually-wound movement (the movement has the breguet overcool hairspring, something that was designed to ensure good time keeping in all different positions).

This particular watch was owned and worn by Captain N H Harris MBE MN, who is pictured with the watch. Captain Harris was the Second Officer of the SS Fort Stikine, an armed merchant Liberty Ship. On 14 April 1944, the ship, carrying a mixed cargo of cotton bales, timber, oil, gold, and ammunition including around 1,400 tons of explosives with an additional 240 tons of torpedoes and weapons as well as two Spitfires, caught fire in Bombay harbour and was destroyed in two massive explosions. This resulted in the sinking of a further 11 ships in the vicinity and vast devastation in the city surrounding the port area. Some 800-1300 people were killed and 80,000 made homeless in consequence. For his actions in trying to control the fire and subsequently to minimise the impact of the coming explosion, Mr Harris was awarded the Lloyds of London Silver Medal for Meritorious Service. Find out more about it here.

The movement has been serviced and is running really well; I made a new strap especially for this watch, in pigskin which is probably accurate for this model. The strap has screw in rivets to allow fitting to the fixed bars that were part of the military specification.

* Year: 1945
* Case: 36.5 mm, plated brass with screw on steel case back
* Movement: Manual wind, Calibre 12.68Z
* Bracelet/Strap: tan pigskin strap

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Shipping guide for watches:

United States: FREE DHL Express shipping, 1-3 working days / FREE UPS shipping, 1-3 working days

Shipping guide for t-shirts

Our t-shirts are printed by us, made-to-order and shipped from our workshop in London. This means that occasionally, if your order includes a t-shirt there may be a 2-3 day delay in dispatch.

If you place an order for both a watch and t-shirt(s), they will be shipped together via an express service. Delivery times for these can be found here.

If you order a t-shirt without a watch, it will be shipped via a Royal Mail tracked service which usually takes a little longer, or you have the option to pay an additional fee for a courier service (Either DHL or UPS). You can see an estimated timescale when you input your address at the checkout.

Shipping guide for bands (unless purchased with a watch):

- FREE Royal Mail tracked, 5-10 working days

- $13 DHL Express, 1-3 working days

- $13 UPS, 1-3 working days

During busy sale periods dispatch may take a little longer (this is quite rare). These delivery times are a guide based on the DHL, UPS and Royal Mail terms of service, products may, in some unusual cases take longer to arrive. If this happens, please get in touch. 

We are happy to exchange unworn watches.

Fastening the watch will cause damage to the leather. If this is the case, we charge for the watch strap (or we can put the worn strap on the exchanged watch for free).

Please email us directly if you think your watch is faulty: info@mrjoneswatches.com

Return for a refund

To return for a full refund, you have 30 days if purchased online.

If you purchased your watch in-store, we can offer an exchange or store credit only. This is because you’ve seen the watch in person and had the opportunity to try it on. Please let us know if you’re purchasing as a gift.

We do not cover shipping costs for unwanted items from outside the UK.

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To request a return for an unwanted watch, please follow the instructions below. Our team will process the request and issue your label or contact you directly within 1 working day.

1) Request your return label here.

2) Once issued, print if off and stick it to your original packaging.

3) Take it to your nearest DHL drop off point.

If you no longer have your original packaging, please ensure your watch is securely wrapped in bubble wrap / something similar to protect it in transit.


Please note: if you are returning a watch that is faulty we can cover shipping costs if your watch is within warranty, please contact us ahead of sending in this instance.

T-shirt returns and exchanges

We recommend checking the measurements of our t-shirts on our size guide before placing your order, you can also check them here

However, if your t-shirt is faulty, we can offer an exchange or a refund. In this circumstance, please email us within 30 days of placing your order, with a photograph of the problem, as well as your order number.

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