A. LANGE & SÖHNE. AN EXTREMELY FINE AND UNIQUE WHITE
GOLD ONE MINUTE TOURBILLON WRISTWATCH WITH CHAIN
FUSÉE, POWER RESERVE AND SPECIAL BLACK SILVER DIAL WITH
WHITE RHODIUM-PLATED DAGGER NUMERALS
SIGNED A. LANGE & SÖHNE, GLASHÜTTE I/SA, TOURBILLON POUR LE MÉRITE,
NO. 101/150, CASE NO. 110’351, MOVEMENT NO. 438, MANUFACTURED
IN 1998
Cal. L902.0 three quarter plate nickel-fnished lever movement, 29
jewels, screwed gold chatons, power equalization with chain and
fusée, fnely hand-engraved balance bridge, three armed polished
steel tourbillon carriage with Glucydur balance, two diamond
endstones visible through a glazed aperture in the black solid silver
dial, white rhodium-plated dagger numerals, outer railway minute
divisions, two subsidiary dials for constant seconds and 36 hours
power reserve, large circular case, glazed display back secured by six
screws, 18K white gold A. Lange & SShne deployant clasp, case, dial
and movement signed
38.5 mm. diam.