It has been just about a decade since Zenith released their previous El Primero Triple Calendar Chronograph Caliber 410, but the watchmaker may have outdone itself with this new iteration debuted at LVMH Watch Week. The new Chronomaster Original Triple Calendar comes in an excellently proportioned 38mm wide case (with 50m of water resistance) that is intentionally done using the exact same blueprints of the classic A386 from 1969. That level of attention to detail is matched by the dial which is surprisingly clean and easy to read considering the substantial amount of information being conveyed.

The complete calendar has day, month, and date, as well as a lovely moonphase indicator on a highly legible contrasting dial that comes in either silver and black (seen here), slate-grey opaline and silver, or a boutique-only olive green and silver. All versions have gold plated hands and hour indices which nicely match the moon phase disc, creating a cohesive design.
The new Triple Calendar debuts a variant of the El Primero 3600 Calibre measuring 1/10th second that was introduced in 2021. This new El Primero 3610 Calibre operates at 5 Hz with a 60-hour power reserve and is finished with a Zenith star-shaped rotor with striking blue column wheel.  

The design team at Zenith got just about every detail of this watch right and it would not be surprising to see one of these on the wrists of collectors who typically eschew calendar watches. The th...