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.


A21330, stainless steel


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


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


Black / silver / brown / blue


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


Leather strap with folding clasp (or tang-type buckle) / Steel bracelet «Navitimer» with folding clasp