The Otero 371 is an open face calibre watch movement that incorporates a stop function controlled by a pillar wheel. It offers various functions including a timer with split-second capability, measuring intervals of 60 seconds with a resolution of 0.2 seconds, as well as 30 minutes and 12 hours using pillar wheel mechanisms. Additionally, there is an optional configuration available which includes timing intervals of 30 seconds with a resolution of 0.1 seconds, 15 minutes, and 6 hours. The Otero 371 movement also supports an additional timer function, allowing for versatile timing applications, and features a stem wind mechanism along with a sweep second hand.