Identified by the AB0121211G1A1 reference, this Breitling Navitimer B01 Chronograph 43 silver replica presents the earlier Navitimer 1 version of the B01 chronograph in steel. This generation keeps the aviation calculator ring on a notched, bidirectional bezel, which gives the watch the character of an instrument first and a refined chronograph second. At 43mm with a panda-style silver dial and contrasting black sub-registers, this reference stays easy to read despite the busy Navitimer layout. The steel seven-row bracelet reinforces the instrument look and keeps the whole package ready for everyday wear.

Silver dial, black counters, a slide rule and the date between 4 and 5 o’clock: those four details identify this reference at a glance. For the movement, the B01 chronograph QC points in our guide come next.

Specifications

• Model: Navitimer B01 Chronograph 43 (Navitimer 1 B01 generation)
• Reference: AB0121211G1A1
• Case size: 43 mm
• Case: stainless steel
• Dial: silver-white with three black sub-dials, inner 1000 m tachymeter, date between 4 and 5 o’clock
• Bezel: bidirectional slide rule, notched steel
• Crystal: sapphire with anti-reflective coating
• Bracelet: stainless steel seven-row with folding clasp
• Movement: clone Cal. B01, automatic chronograph (column wheel, vertical clutch), 28,800 vph
• Functions: hours, minutes, small seconds, chronograph, date
• Power reserve: 55 hours (genuine Cal. B01: 70 hours)
• Water resistance: 30 m (same as genuine)

Where AB0121211G1A1 Sits in the Navitimer Line

The Navitimer 1 generation occupies an interesting position. It carries the Navitimer name, the B01 movement and the most recognizable design element, the circular slide rule, yet its dial predates the 2022 redesign, which makes it effectively an earlier chapter of the same watch.

A Silver Panda Dial Inside the Slide Rule

Even with the slide rule around it, the dial opens up considerably. The silver-white ground becomes the dominant visual element, and the dark sub-registers at three, six, and nine provide a crisp contrast that reads from across a table. Polished case surfaces outnumber brushed ones on this reference, adding a dressier note to the instrument look. For comparison, the 35mm Navitimer A17395F41G1P3 achieves a dressier effect through smaller dimensions and a time-only dial. Both appear in the Navitimer catalog, but this Navitimer B01 keeps a full 43mm diameter, the chronograph complication and the slide rule intact.

Wearing the Silver Navitimer B01 Chronograph 43 on Steel

The notched bezel frames the dial tightly, and at 43mm the case wears like the full-size Navitimer it is without looking oversized. On the seven-row steel bracelet the watch sits evenly on the wrist, making it a comfortable all-day option for anyone used to a metal bracelet. This replica fills the gap for anyone who values the B01 movement and wants the earlier Navitimer 1 dial, B logo and inner tachymeter included, in silver rather than black.