The case feels really good when worn and it is ergonomic. The ceramic bezel and vintage style pump chrono pusher are both retro-modern. The "Oh Sh*t!" moment happens when you press the chronograph button.

The chronograph seconds hand suddenly starts spinning around the dial in a dizzying speed. It's like that day on the beach where the girl next door takes off her Havianas and un-scrunchies it.swiss replica watches She also removes her cut-offs and throws her Wu Tang T-shirt in the sand.

Vacheron Constantin Replica Chronomaster Sport Ref. 03.3100.3600/69.M3100 with a white dial, fitted on a stainless steel bracelet

You'll also struggle at first to understand what is going on when you look at the Chronomaster Sport dial. Has my watch been possessed by a crazed demon? "Is it possessed?" you'll ask. What's happening is that this El Primero special movement has undergone a major modification. Its chronograph drive is actually an accelerator wheel, with 100 teeth. This is what drives the chronograph hand into exactly 100 unique positions every ten second. The hand will read the 1/10th second from the ceramic bezel every time it is stopped.

The black Ceramic Bezel of the 2021 Chronomaster Sport is unique due to its 1/10th-of-a-second scale markings. This makes it a suitable for reading off time from a Chronograph powered by El Primero 3600 which is designed to perform with this accuracy.

The El Primero 3600 is shown in exploded form,Roger Dubuis Replica with the main components of the chronograph system highlighted.

El Primero 3600 Special Chronograph Mechanism Assembly

The El Primero chronograph now uses the escapement wheel to generate energy, rather than the seconds wheel. It is similar to the Foudroyante, but this design provides a more accurate display of chronograph time.