Antoine Martin Masterpiece nº 1 Tourbillon Astronomique. Calibre de carga manual, da manufactura (AM 39.003), com turbilhão voador e escape e roda de escape de silício. Indicações de nascer e pôr-do-sol afinados para a latitude escolhida por cada comprador, Zodíaco, data, equação do tempo, lua retrógrada com indicação das fases, dia/noite. No verso, indicação de reserva de corda, declinação, linha de sombra polar.
Da marca:
Technical features AM 39.003 caliber - 39.5 mm diameter - 8.00 mm movement height - 52 jewels - 144-hour power reserve - 18,000 bps - 428 individual components - Flying minute tourbillon - Adjusted in five positions - High Performance Escapement (HPE) - KIF shock absorbers - Silicium pallet lever - Silicium escape wheel - Silicium impulse pin, mounted with no play on the balance staff - Distortion-free stainless-steel tourbillon bridge - Indexless precision adjustment - Adjustment via two gold half-round-head screws - Tourbillon cage poised with two gold rings. - Precision adjustment for the beat - Clamped balance spring attachment - All toothed wheels fitted with sinks (prerequisite for Seal of Geneva) - Cyclovent teeth - Torque optimized by use of twin mainsprings - Indirect gear train drive to uncouple energy from mainspring - Extra-large 14.1 mm balance for oscillation stabilization - Pallet lever cam that permits precise adjustment of the backlash, or "run to the banking". - Steel bushings for all bridge jewel bearings - All bearings jeweled - All bridges with beveling - Hour/minute - Power reserve display - 24-hour display - Sunrise and sunset display, adjusted to location of customer's choice - Display for the sign of the zodiac and season - Date - Equation Of Time display - Retrograde moon with moon phase display - Day and night display - Power reserve display - Declination display, graphically and in degrees - Polar shadow line
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