REFERENCE : 642.NX.0170.RX
 
HUB4700 機芯是著名的 El Primero 機芯的繼任者——第一款集成式自動上鍊計時碼錶（1969 年），這也是第一款配備 5 赫茲頻率（36'000 alt/h）的機械計時碼錶，可實現精確度 1/10 秒。 在傳統與創新之間的完美融合中，這款完全鏤空的機芯現在配備了矽調節元件，確保了前衛的性能、精確度和可靠性。
 
緞面和拋光鈦金屬。 黑色結構襯裡橡膠錶帶。
 
The HUB4700 caliber is the successor to the famous El Primero caliber - the first chronograph with an integrated style automatic winding (1969), which was also the first mechanical chronograph equipped with a 5 Hz frequency (36’000 alt/h) allowing an accuracy of 1/10th of a second. In a perfect fusion between tradition and innovation, this entirely skeletonized movement is now equipped with silicon regulating element ensuring avant-garde performances, precision and reliability.
 
Satin-finished and polished titanium. Black structured lined rubber straps.