3. Case and dial development

Moving from sketches to 2D drawings
There is a long way between the sketching, technical design and 3D models.

First of all, after sketches and defining our way, we started with the case design drawings in 2D as this is one of the most significant parts. Later on based on these 2D files the CAD model is built and the case mould is created.

We have decided to have the modern and sharp style of the watches and it took several iterations to find the right shape, create new edges to resemble F1 racing car air diffusers and to achieve the proper shape of the bezel.
Pushers is another thing to take care of.

It is pretty common to see these days oversized round pushers, each having a separate color. To have a sleek transfer from case to pushers and the crown, we designed them in a flat style putting different decorations on each. The Chronograph start button actually has a "Start" sign debossed and filled with the traditional for Paddock Chronograph acid yellow color, while the stop/reset button has horizontal grooves.
The crown is formed of 2 pieces: unpainted steel base with PaceMasters logo engraving and a Black plated teeth. The crown has a screw down type.
The next step was to compose the dial.

As we have fixed the concept of the pit board from the very beginning, we should have thought about the movements which can be used. We were planning to make a Chronograph hence the placement options for the subdials were pretty limited, and we have selected the 3 vertical oriented subdials of SII/Seiko VK67 movement. Also, this subdial composition affords us to make an upgrade to one of the most popular and reliable automatic movements in future, keeping the concept without major changes of design.

From the start, there was only one part clear - there should be a pit board enframing the date window, but the rest should have been conceived. In order to manage the layers properly and to keep the thickness of this "sandwich" under control, designers often use these kinds of schemes to classify each of the layers.
Also, having a racing-inspired chronograph we wanted to use some materials from the racing world, and that is how we implemented a carbon fiber layer for the dial (and Alcantara strap as another material used in racing). This layer is milled from a 0,4mm carbon fiber sheet, polished and lacquered to get a shiny look.

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by Evgeny
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