Breitling Top Time Gino Bartali #AB01767A1C1X1
Introducing the New B31.
1st Manufacture three-hands caliber. COSC certified.
Watches without regulators are called free-sprung. The spring is not held by regulator pins and has a constant length. To adjust their rate, instead of working on the spring length, watchmakers work with the inertia of the balance wheel, moving the screws or weights positioned on the balance.<br />Free-sprung balance wheels are a high-grade solution, they are more complex to work with, but they are meant to time better as certain sources of error are absent with them. Also, they do not risk being affected by shocks that might cause the regulator index to move. Several competitors use free-sprung balance . i.e Rolex for example has it in almost all movements. 41mm, to fit any wrist. Steel case. Perforated leather strap and folding buckle with micro-adjustment or 3-row steel bracelet with micro-adjustment.</p><p>New manufacture caliber B31. 5 years warranty. Approx. 70 hour power reserve. Limited Edition 750 pieces.
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Description
Introducing the New B31.
1st Manufacture three-hands caliber. COSC certified.
Watches without regulators are called free-sprung. The spring is not held by regulator pins and has a constant length. To adjust their rate, instead of working on the spring length, watchmakers work with the inertia of the balance wheel, moving the screws or weights positioned on the balance.<br />Free-sprung balance wheels are a high-grade solution, they are more complex to work with, but they are meant to time better as certain sources of error are absent with them. Also, they do not risk being affected by shocks that might cause the regulator index to move. Several competitors use free-sprung balance . i.e Rolex for example has it in almost all movements. 41mm, to fit any wrist. Steel case. Perforated leather strap and folding buckle with micro-adjustment or 3-row steel bracelet with micro-adjustment.</p><p>New manufacture caliber B31. 5 years warranty. Approx. 70 hour power reserve. Limited Edition 750 pieces.
