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The Calibre 01, measured.

MovementCalibre C01, hand-wound21 jewels
Frequency21,600 vibrations per hour3 Hz
Power reserveTwo barrels, full wind72 h
CaseSteel, brushed and polished39 mm
ThicknessDomed sapphire included9.8 mm
Lug to lugTapered lugs, drilled bars46.2 mm
CrystalSapphire, anti-reflective insidefront & back
Water resistanceScrew-down crown50 m
StrapBlack calf leather, deployant20 mm
DialWhite enamel, applied indices—

Yours, numbered.

Steel case, white enamel dial, black calf strap — $2,400.

$2,400including engraving