Breitling Navitimer Montbrillant Datora has an automatic mechanical movement with full calendar chronograph. It uses the Breitling 21 caliber with 25 jewels and runs at 28,800 vibrations per hour (vph). It is also a COSC-certified chronometer like Navitimer Montbrillant.
Its chronograph has three counters: 24 hour and small seconds counter (located at 9), the hour counter (located at 6), and minute counter + day and month (positioned at 12). All the counters are using rhodium-plated hands for indication.
On the dial there is a red printed second counter, a printed minute track using 1/5 second division, a calendar track numbering from 1 to 31, and a tachometer scale with 1/100 scaling using the slide-rule.
The case comes in stainless steel. It has a diameter of 43mm and 14.1mm thickness. Its sapphire crystal is curved with anti-reflective on both sides. Its bezel has knurled ring and is integrated with the flange. It can be turned bi-directionally.
Its dials come in black or silver and a silvered flange. All their subdials are decorated with circular threads. It has rhodium-plated Alpha central hands and rhodium-plated baton markers. It comes in either leather or crocodile straps or Navitimer bracelets.
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