1. Watch Collection
  2. »
  3. Ball Watch
  4. »
  5. Trainmaster
  6. »
  7. TMT Kelvin Limited Edition 600 Pieces

Ball Watch Trainmaster TMT Kelvin Limited Edition 600 Pieces

Ball Watch Trainmaster TMT Kelvin Limited Edition 600 Pieces


$ 8,499.00

Please call to receive our most accurate, up-to-date pricing.

Technical Specifications

Case: 39.5mm 18k rose gold

Water Resistance: 30m

Crystal: an anti-reflective convex sapphire crystal front and case back with a silk-screen printed temperature conversion between Kelvin and Celsius/Fahrenheit scales

Movement: COSC certified automatic

Strap Details: Crocodile strap

Buckle: stainless steel buckle

Features: 14 micro gas tubes, 5,000 Gs shock resistance, patented mechanical thermometric indication

About Ball Watch

Before the development of railroads across the United States, there was no need for a standardization of time or any real accuracy in time keeping. Each town kept its own local time, based on the position of the sun. When trains began to connect really distant cities, it got problematic and difficult to avoid collisions. Moreover, there was no policy nor standards for the watches used by the railroad employees.

On April 18, 1891, a head-on collision between two trains in Kipton, Ohio resulted in several human deaths. At the time, trains were using the same lines in opposite directions and had to cross each other at defined crossing points. That day, one of the conductors’ watches stopped for four minutes leading to the fatal collision.

In order to make train rides safer for travelers and employees of the railroads, Webb C. Ball was designated “Chief Time Inspector” and set up tests and standards for all watches used on the trains. Ball’s criteria of accuracy and reliability were so strict that they later inspired others like the Swiss Official Testing Institute (COSC).

Still committed to its original American roots, BALL has located its international headquarters and watchmaking workshop in La Chaux-de-Fonds.



11 N. Wabash Ave.,
Chicago, IL 60602

get directions
Monday - Friday

10:00 am – 6:00 pm


10:00 am – 7:00 pm


10:00 am – 5:30 pm


11:30 am – 4:00 pm

Valet Parking Available

New York Jewelers offers Valet Parking services to all our customers. The valet is conveniently located in front of our building. As always, the service is complimentary with a purchase.