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

UK: FREE DPD shipping, 1-2 working days / FREE Royal Mail Tracked 24, 1-2 working days

United States: FREE DHL Express shipping, 1-3 working days / FREE UPS shipping, 1-3 working days. To order to The US, please visit our USD website here (duties and taxes are included in the price of your watch).

The EU: FREE DHL shipping, 2-4 working days. To order to The EU, please visit our Euro website here (duties and taxes are included in the price of your watch).

Click here to see the full shipping guide for watches

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 an express service. You can see an estimated timescale when you input your address at the checkout.

Shipping guide for watch straps

If purchased separately from your watch, watch straps will be shipped with Royal Mail 1st Class / International tracked shipping, or you have the option to pay a additional fee for an express service.

This takes 2-14 working days depending on location. You can see a more accurate timescale when you input your address at the checkout.

These delivery times are a guide based on the carriers terms of service, products may, in some unusual cases take longer to arrive. If this happens, please get in touch.

Return your watch for an exchange

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.

Return your watch 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.

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.

To return other products (such as straps) please email us: info@mrjoneswatches.com to arrange this.

UK returns

1) Generate your free returns label here.

2) Print it off and stick it to your original packaging.

3) Take it to your local post office. Find your closest here.

(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).

NB please include a short note describing the issue with the watch and your contact details.

EU and International returns

Please send the watch to this address:

Mr Jones Watches (repairs)
61 Dartmouth Road
London SE23 3HN
United Kingdom

Ensure the watch is securely wrapped in bubble wrap to protect it in transit.

Please include a note stating:

- the reason for the return
- a detailed description of the problem with your watch (if sending for repair)
- your email address and your order number
- remember to include your return delivery address, (so we know where to send the repaired watch)

We recommend you use a tracked service. 

As the UK is no longer in the EU, you will have to fill in a Customs Declaration form.

Please write in the description field "wristwatch, return for factory repair / refund , no commercial value" and list the item value as £10.

This is essential otherwise an import duty will be levied which you will be liable for (there is no way for us to reclaim this charge).

Please note: we do not cover shipping costs for unwanted items, returned from outside of the UK. If you are returning a watch that is faulty we may be able to reimburse shipping costs if your watch is within warranty, please contact us ahead of sending in this instance.

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