The Zenith El Primero 36,000 VpH (Reference: 03.2040.400/21.C496) is a luxury men's luxury chronograph watch known for its high-frequency stopwatch movement. It pairs a classic stainless steel case with a sleek black dial and an alligator leather strap.

This watch is powered by the famous, in-house Zenith Caliber El Primero 400B automatic movement. 

• High Frequency: Ticks at an ultra-fast 36,000 vibrations per hour (VpH), allowing the chronograph timer to measure time accurately down to 1/10th of a second.

• Power Reserve: Keeps ticking for up to 50 hours when fully wound.

• Intricate Build: Contains 31 jewels and utilizes a premium column-wheel mechanism to smoothly start, stop, and reset the stopwatch.

• Case: Made of stainless steel with a diameter of 42mm and a thickness of 12.75mm. 

• Dial: Deep black with silver rings around the three chronograph sub-dials (located at the 3, 6, and 9 o'clock positions). It features a date window at the 6 o'clock mark and a tachymeter scale on the outer rim to measure speed.

• Glass & Back: Scratch-resistant sapphire crystal on the front, with a clear, transparent sapphire case back that lets you see the internal movement at work. 

• Strap: Black alligator leather paired with a secure deployment buckle clasp.

• Water Resistance: Built to withstand water pressure up to 100 meters.