The A.Lange & Sohne Datograph Day/Tourbillon watch boast a 3 micron 18k rose gold plating with 316L solid steel case, with a polished bezel, one-piece pull down crown with o-ring, white dial with black Arabic numeral hour markers, day indication at 3 o\'clock, tourbillon with second indicator at 6 o\'clock. Sapphire crystal lens with double AR coating. Along with a cowhide strap. Equipped with Swiss HS2090 tourbillon manual winding movement, 21 jewelry. The watch water-resistant to 30ATM.
|Brand||A.Lange & Sohne|
|Diameter||Dia 42.5mm x 11mm Thk|
|Case Material||316L Steel plated with 3 micron 18k rose gold|
|Dial window material type||Sapphire crystal lens with double AR coating|
|Functions||Hours, minutes, seconds, day|
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