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Ball Watch Company Trainmaster Kelvin


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Ball Watch Company Trainmaster Kelvin. NT3888D-LL1J-SLC. 

Inspired by physicist and engineer Lord Kelvin, the man known for developing the Absolute Thermodynamic Temperature Scale or now recognised as the Kelvin scale, Ball Watches have designed the Ball Trainmaster Kelvin watch. Like Lord Kelvin in the scientific field, Webb C. Ball can also lay claim to a similar pioneering role in the history of watchmaking, as he introduced the first chronometry standards used by the American railroad companies, now known in the watch industry as the COSC standard.

Within the Ball Trainmaster Kelvin watch is the automatic calibre BALL RR1601-C movement which includes the TMT mechanical thermometer module. This means the wearer can measure the outside temperature by Celsius on their wrist from the half moon shaped window at 6 o clock.  Beneath the scratch resistant sapphire crystal glass with antireflective treatment is a crisp silver dial set with 14 luminescent micro gas tubes that allows perfect readability in the dark without requiring any recharge for up to 25 years. The timepiece also boasts a shock resistance to 5,000Gs, water resistance of 30 metres and an open case back where you can watch the automatic movement hard at work. The Ball Trainmaster Kelvin is completed by dark brown crocodile leather strap and stainless steel buckle.


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Delivery & Returns

Free UK Shipping

We offer a Free UK next day delivery service on all orders over £125, in stock items will be dispatched same day when ordered before 4pm. All items are dispatched using a DPD fully tracked and signed for delivery service.

Alternatively you may choose to upgrade the delivery of your items to a priority service by selecting Pre-9am Royal Mail express delivery in the checkout.

Worldwide Shipping

We offer shipping worldwide. International shipping costs will be automatically calculated in the checkout for deliveries outside of the UK. We provide a range of international shipping services which can generally be delivered within 3-5 days. Contact us today if you wish to find out more about our international shipping options available.


In addition to our 30 day returns policy all items purchased from 1st October 2023 may be returned for either an exchange or full refund up until January 12th 2024. Standard terms apply.


Enjoy up to 30 days money back guarantee on new purchases, more details.

For more information about our delivery services, returns or exchanges, contact our sales team on 01335 453 453 or email us at


Price Match Request

Ball Watch Company Trainmaster Kelvin - NT3888D-LL1J-SLC (BL-1566)

RRP £2,950.00

As the UK's leading luxury watch retailer, we are committed to providing our customers with the best possible prices across our branded products. Our Price Match Promise guarantees that if you find any of our jewellery or watches at a lower advertised price elsewhere, we will provide an instant price match for you.

To request a price match on an item listed on our website, simply fill out our instant price match form below.

Please Note; We only match authorised stockists and genuine products. The stockist should have the item in question ready to order and in stock. Jura Watches reserves the right to refuse any price match request without reason.

Take great care when obtaining quotes from unauthorised retailer, whilst many retailers may appear to be authorised stockists, this may not always be the case. Sourcing product through unauthorised stockists means that their products will be supplied without an official valid branded warranty and there is no way of determining the authenticity of the product.

Contact our dedicated team of watch specialists today on 01335 453 453 or email us at to get your instant price match today.

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