Navitimer B04 Chronograph GMT 48
The story
In creating this chronograph with a traveler’s soul, Breitling decided to think big. Great comfort with the ingenious Manufacture Breitling Caliber B04, visible through the transparent caseback and equipped with revolutionary enti

Key features
Technical Data
Movement
Caliber | Breitling B04 (Manufacture) |
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Movement | Self-winding mechanical, 2nd timezone (24 hr) |
Power reserve | Approx. 70 hrs |
Chronograph | 1/4th second, 30 minutes, 12 hours |
Vibration | 28,800 v.p.h |
Jewel | 47 jewels |
Calendar | Dial aperture |
Case
Case material | Stainless steel |
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Caseback | Screwed in (sapphire crystal) |
Water resistance | 3 bars i |
Bezel | Bidirectional, slide rule |
Crown | Non screw-locked, two gaskets |
Crystal | Cambered sapphire, glareproofed both sides |
Dimensions
Watch-head Weight (Approx.) | 117.4 g. |
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Diameter | 48.0 mm |
Thickness | 15.7 mm |
Height (upper lug tip to lower lug tip) | 55.5 mm |
Lug width (in-between lug) | 24.0 mm |
Strap
Strap material | Alligator leather |
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Strap color | Brown |
Strap type | Straight |
Lug | 24/20 mm |
Buckle Material | Stainless steel |
Buckle type | Tang-type |
Buckle size | 20 mm |
People and their Navitimer
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

Discover more about the Navitimer history
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