Movement Skeleton NP04 (SW400-S)

Manufactured in La Chaux-de-Fonds by Sellita, this Swiss-made automatic skeletonised mechanical movement reveals its inner workings through openwork detailing that showcases the calibre’s main components.

The Open-Heart Movement

The Open-Heart Movement

The gear train, bridges, balance wheel and automatic winding mechanism all play a key role in the movement’s aesthetic appeal. This open construction showcases the mechanics in action whilst maintaining the standards of precision, reliability and performance characteristic of Swiss watch movements.

Winding

Automatic mechanism integrated into the movement

Power reserve

65 hours

Frequency

28’800 A/h (4 Hz)

Architecture

Round calibre, mechanical anchor escapement

Manufacture

Sellita, La Chaux-de-Fonds

Number of jewels

Dimensions

Ø 31.00 x 4.67 mm height.

Functions

Analogue display: hours, minutes, seconds.

Oscillating weight

Brass monobloc and ball bearing

Reliable performance for everyday use

Reliable performance for everyday use

The SW400 is powered by automatic winding generated by the movements of the wrist. Its power reserve of approximately 65 hours and its frequency of 28,800 vibrations per hour ensure excellent timekeeping stability.

Its 26 jewels help to reduce friction, ensuring a durable movement that is perfectly suited to everyday use.

Norton Peak Skeleton 41

Designed around its skeletonised movement, the Norton Peak Skeleton 41 places the mechanics at the heart of its identity.

It also features a unique construction technique that allows for unlimited colour customisation. A Swiss skeleton watch that combines horological precision, contemporary design and freedom of customisation.

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Norton Peak Skeleton 44

Built entirely around its skeleton movement, the Norton Peak Skeleton 44 makes mechanics the central element of its design. Its distinctive construction also enables an unlimited colour customisation service. A Swiss skeleton watch combining precision mechanics, contemporary design and personalisation.

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Sellita: Swiss precision in motion

Since 1950, Sellita has been upholding the tradition of Swiss watchmaking excellence from La Chaux-de-Fonds. As a global leader in the manufacture of Swiss-made automatic mechanical movements, the company develops calibres renowned for their precision, robustness and reliability. Every Sellita movement embodies exceptional watchmaking expertise, serving brands seeking durable mechanical movements and high-level performance.

Skeleton Watches: When Mechanics Become Visible

A mechanical watch usually conceals most of its complexity behind the dial. A skeleton watch does exactly the opposite: it reveals its mechanical movement and transforms the watchmaking mechanics into a true design element.

Swiss made

Born in Valais.

Designed, assembled and tested in Valais.
Swiss-made.

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