MB&F Legacy Machine Perpetual Chromatic Blue Sapphire
Limited to 8 pieces
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- Delivery in Bahrain and abroad · see our Shipping page
- A limited edition, so it can’t be returned · see our Refund policy
- Visa, Mastercard and Amex · Benefit, mada, KNET and more at checkout
Forty-eight blue sapphires, baguette-cut and hand-set by STG Création in Geneva, run around the bezel of this LM Perpetual. On 18-carat white gold they make a cold, clear blue frame, and the PVD-treated hands are blue to match.
Inside is the perpetual calendar Stephen McDonnell developed for MB&F. A conventional one assumes every month is long and takes away the days it lacks; this one starts each month at 28 days and adds what is needed, through what MB&F calls a mechanical processor.
The 14 mm balance hangs above the dial. Hand-wound, 72 hours of reserve, 44 mm by 17.5 mm, water resistant to 30 m. The stones come from Madagascar and Sri Lanka, about 1.95 carats in all.
Limited to 8 pieces.
Specifications
Colours can look slightly different on screen.

MB&F
Description
Forty-eight blue sapphires, baguette-cut and hand-set by STG Création in Geneva, run around the bezel of this LM Perpetual. On 18-carat white gold they make a cold, clear blue frame, and the PVD-treated hands are blue to match.
Inside is the perpetual calendar Stephen McDonnell developed for MB&F. A conventional one assumes every month is long and takes away the days it lacks; this one starts each month at 28 days and adds what is needed, through what MB&F calls a mechanical processor.
The 14 mm balance hangs above the dial. Hand-wound, 72 hours of reserve, 44 mm by 17.5 mm, water resistant to 30 m. The stones come from Madagascar and Sri Lanka, about 1.95 carats in all.
Limited to 8 pieces.
Specifications
Colours can look slightly different on screen.
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