Premier B21 Chronograph Tourbillon 42 Gaston Breitling

GIFT WITH PURCHASE
With the purchase of a Premier watch, you’ll receive a complimentary copy of Premier Story, a new book chronicling the history of the collection that ushered the chronograph from purpose to style. Offer valid while stock lasts. T&C apply.
The story
The Premier Tourbillon is a series for people who love the mechanics—and magic—of watchmaking. Named for each of the Breitling founders, Leon, Gaston and Willy, the three watches feature the stylized square pushers and Arabic nume

Key features
Technical Data
Movement
Caliber | Breitling B21 (Manufacture La Joux-Perret) |
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Movement | Self-winding mechanical |
Power reserve | Approx. 55 hours |
Chronograph | 1/4th second, 60 minutes |
Vibration | 28,800 v.p.h |
Jewel | 30 jewels |
Case
Case material | 18k white gold |
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Caseback | Screwed in (sapphire crystal) |
Water resistance | 10 bars i |
Bezel | Fixed |
Crown | Non screw-locked, two gaskets |
Crystal | Cambered sapphire, glareproofed both sides |
Dimensions
Product Weight (Approx.) | 155.0 g. |
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Watch-head Weight (Approx.) | 119.8 g. |
Diameter | 42.0 mm |
Thickness | 15.2 mm |
Height (upper lug tip to lower lug tip) | 50.0 mm |
Lug width (in-between lug) | 22.0 mm |
Strap
Strap material | Alligator leather |
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Strap color | Black |
Strap type | Curved |
Lug | 22/18 mm |
Buckle Material | 18k white gold |
Buckle type | Folding clasp |
Buckle size | 18 mm |

People and their Premier
Breitling is all about casual, conscious luxury with purpose and a touch of fun—but what makes every watch a true individual is the personality you bring to it. Share how you wear your watch by tagging a wrist-shot with the hashtag #MyBreitling
Buy in store
Visit us in a Breitling boutique or at official retailers and convince yourself of our high-quality products.
Discover new models, get individual advice and find the Breitling watch that suits you best.