====== Breitling Montbrillant Datora ======
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The **Montbrillant Datora** is a [[self-winding]] [[chronograph]] by [[Breitling]]. It is the big case version of the [[Breitling Montbrillant]], produced since [[2002]], here with 24-hours indication. Features [[chronometer]] certification ([[COSC]]), [[slide rule]] function, [[sapphire crystal]], four optional dial colors.


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**Reference:**
  * A21330, [[stainless steel]]

**Movement:**
  * [[Self-winding]] movement Breitling 21 (basis [[ETA 7751]]), 28,800 A/h
  * Official [[chronometer]] with [[COSC]] certificate	
  * 25 [[jewels]], [[Geneva stripes]]
  * Power reserve 42 hours

**Case:**
  * [[Stainless steel]]
  * Ø 43 mm, height 14.1 mm
  * Screw-in caseback
  * Rotating ratchet [[bezel]] with adjustable tachometer ([[slide rule]])
  * [[Domed]] [[sapphire crystal]] with [[anti-glare treatment]] on both sides
  * [[Waterproof]] to 30 m
  * Caseback gravure with the greatest cities

**Dial:**
  * Black / silver / brown / blue

**Functions:**
  * Hours, minutes, seconds, date, day of week, month
  * ¼-seconds, 30-minutes and 12-hours counters, 
  * 24-hours indication
  * [[Slide rule]] function

**Bracelet:**
  * Leather strap with [[folding clasp]] (or [[tang-type buckle]]) / Steel bracelet «Navitimer» with [[folding clasp]]
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===== Literature =====
  * [[Breitling. Die Geschichte einer großen Uhrenmarke. 1884 bis heute]]; Author [[Benno Richter]]; ISBN 3766711350
  * [[Das ZEITGEFÜHL-Uhrenbuch]]; Author [[Gerd-Lothar Reschke]]; ISBN 3-938607-61-0


{{tag>Watch_models Chronographs Breitling_models}}