**Brand:** Zenith **Model:** El Primero ChronoMaster Star **Reference:** 16.1230.4002/21.C509 **Material:** Stainless steel with factory-set diamonds **Case Diameter:** 37.5 mm **Crystal:** Curved sapphire with anti-reflection **Caliber:** El Primero Cal. 4002  **Strap:** Maroon leather strap with Chronomaster triple folding buckle  **Box/Papers:** No **Price:** $2300 shipped or best offer **Shipping:** FedEx International Priority / DHL Express Easy **Payment:** Wise, Wire Transfer (For US residents), PayPal F&F (any fees borne by buyer) ***Condition Report*** This Zenith El Primero ChronoMaster Star is in overall excellent condition. There are minor wear marks which is consistent with a watch of its age. The case is nice and unpolished.  The black guilloché dial is executed in an “Onde” pattern, surrounded by powdered Breguet numerals that evoke a whimsical aesthetic rarely seen in El Primero references. The leaf hands in rhodium give a refined and legible contrast.  This ChronoMaster Star exceptionally features a factory-set diamond bezel. 64 full cut diamonds in 13 different sizes, VVS1 clarity with an approximate weight of 0.73 carats.  This watch is powered by the Cal. 4002, a modern variation of the Cal. 410 with its signature high beat 36'000 vibrations per hour.  The watch keeps excellent timekeeping with the chronograph fuctioning perfectly.   The maroon leather strap comes with a triple folding ChronoMaster buckle. The watch will be shipped in a complimentary box. For a peace of mind, interested buyers are encouraged to reach out for a FaceTime call or request for a custom timestamp. Thanks for looking and have a good day!