Three-body, polished and brushed, screw-down case back and crown, tachometer on the bezel graduated to 300 units per hour, inner case stamped with Ref. 6238. Bi-color black and silver with applied faceted steel baton indexes and luminous dots, outer 1/5th seconds track, subsidiary silver guilloche dials for the seconds, the 12-hour and 30-minute registers, silver pint underline beneath Cosmograph. Luminous steel baton hands. Cal. 72B, rhodium-plated, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating free-sprung Breguet balance spring, Microstella regulating screws.
Grading System: AAA
HKD 310,000 - 470,000
USD 39,920 - 60,500
CHF 39,630 - 58,400
Sold: HKD 500,000
Three-body, polished and brushed, screwed- down case back and winding crown, tachometer graduation on the steel bezel to 300 units per hour. Bicolor off-white and black with applied steel square indexes and luminous dots, subsidiary dials for the seconds, the 12-hour and 30-minute registers, outer red 1/5th seconds track. Luminous steel baton hands. Cal. 722, rhodium-plated, 17 jewels, straight- line lever escapement, monometallic balance adjusted to 3 positions, shock absorber, self-compensating free-sprung Breguet balance spring, Microstella regulating screws.
Grading System: 
HKD 466,000 - 700,000
USD 60,000 - 90,000
CHF 58,000 - 86,500
Sold: HKD 834,000
Three-body, polished and brushed, screwed- down case back and winding crown, tachometer graduation on the steel bezel to 200 units per hour. Bicolor black and off-white with applied black steel square indexes and luminous dots, subsidiary dials for the seconds, the 12-hour and 30-minute registers, outer red 1/5th seconds track. Luminous steel baton hands. Cal. 727, rhodium-plated, 17 jewels, straight- line lever escapement, monometallic balance adjusted to 3 positions, shock absorber, self-compensating free-sprung Breguet balance spring, Microstella regulating screws.
Grading System:
HKD 543,000 - 698,000
USD 70,000 - 90,000
CHF 67,000 - 86,000
Sold: HKD 798,000
Three-body, polished and brushed, screwed-down case back and winding crown, tachometer graduation on the steel bezel to 200 units per hour. Bicolor off-white and black with applied black painted steel square indexes and luminous dots, subsidiary dials for the seconds, the 12-hour and 30-minute registers, outer red 1/5th seconds track. Luminous steel baton hands. Cal. 722, rhodium-plated, 17 jewels, straight-line lever escapement, monometallic balance adjusted to 3 positions, shock absorber, self-compensating free-sprung Breguet balance spring, Microstella regulating screws.
Grading System: AAA
CHF 65,000 - 85,000
USD 68,000 - 89,000
HKD 530,000 - 690,000
Three-body, polished and brushed, tachometer graduation on the steel bezel to 300 units per hour, screwed-down case back and winding crown. Bicolor silver and black with applied steel baton indexes and luminous dots, outer 1/5th seconds track, subsidiary guilloche dials for the seconds, the 12-hour and 30-minute registers. Luminous steel baton hands. Cal. 722, rhodium-plated, 17 jewels, straight- line lever escapement, monometallic balance, shock absorber, self-compensating free-sprung Breguet balance spring, Microstella regulating screws.
Grading System: AAA
USD 20,000 - 30,000
HKD 155,000 - 233,000
CHF 20,000 - 30,000
Sold: USD 30,000
Three-body, polished and brushed, screwed-down case back and winding crown, tachometer graduation on the steel bezel to 200 units per hour. Bicolor off-white and black with applied black painted steel square indexes and luminous dots, subsidiary dials for the seconds, the 12-hour and 30-minute registers, outer red 1/5th seconds track. Luminous steel baton hands. Cal. 722, rhodium-plated, 17 jewels, straight-line lever escapement, monometallic balance adjusted to 3 positions, shock absorber, self-compensating free-sprung Breguet balance spring, Microstella regulating screws.
Grading System:
CHF 75,000 - 95,000
USD 78,000 - 98,000
HKD 600,000 - 760,000
Sold: CHF 99,750
Three-body, polished and brushed, screwed-down case back, buttons and crown, tachometer graduation on the bezel to 200 units per hour. Bi-color black and silver with applied black steel indexes and luminous dots, subsidiary dials for the seconds, the 12-hour and 30-minute registers, outer minute/ seconds division. Luminous steel baton hands. Cal. 72B, rhodium plated, 17 jewels, straight line lever escapement, monometallic balance, shock absorber, self-compensating free-sprung fl at balance spring, Microstella regulating screws.
Grading System:
CHF 100,000 - 150,000
USD 104,000 - 155,000
HKD 800,000 - 1,200,000
Sold: CHF 129,750
Three-body, polished and brushed, screw-down case back and crown, tachometer on the bezel graduated to 200 units per hour, case back engraved with a dedication. Bicolor black and silver with applied faceted steel baton indexes and luminous dots, outer 1/5th seconds track, subsidiary silver guilloche dials for the seconds, the 12-hour and 30-minute registers. Luminous steel baton hands. Cal. 722, rhodium-plated, 17 jewels, straight-line lever escapement, monometallic balance adjusted to 3 positions, shock absorber, self-compensating free-sprung Breguet balance spring, Microstella regulating screws.
Grading System: AAA
HKD 140,000 - 180,000
USD 18,100 - 23,200
CHF 17,400 - 22,400
Sold: HKD 175,000
Three-body, polished and brushed, tachometer graduation on the steel bezel to 300 units per hour, screwed-down case back and winding crown. Bicolor silver and black with applied steel baton indexes and luminous dots, outer 1/5th seconds track, subsidiary guilloche dials for the seconds, the 12-hour and 30-minute registers. Luminous steel baton hands. Cal. 722, rhodium-plated, 17 jewels, straight- line lever escapement, monometallic balance, shock absorber, self-compensating free-sprung Breguet balance spring, Microstella regulating screws.
USD 20,000 - 30,000
HKD 155,000 - 233,000
CHF 19,000 - 29,000
Sold: USD 24,375
Three-body, polished and brushed, curved lugs, tachometer on the bezel graduated to 300 units per hour, screwed down case back. Bicolor silver and brown with applied faceted steel baton indexes and luminous dots, outer minutes/seconds divisions, subsidiary brown guilloche dials for the seconds, the 12-hour and 30-minute registers. Luminous steel baton hands. Cal. 72B , rhodium-plated, 17 jewels, straight-line lever escapement, monometallic balance adjusted to 3 positions, shock absorber, self-compensating free- sprung Breguet balance spring, Microstella regulating screws.
Grading System:
HKD 300,000 - 500,000
USD 38,000 - 65,000
CHF 36,000 - 60,000
Sold: HKD 425,000
Three-body, polished and brushed, curved lugs, tachometer on the bezel graduated to 300 units per hour, screwed down case back. Bicolor silver and brown with applied faceted steel baton indexes and luminous dots, outer minutes/seconds divisions, subsidiary black guilloche dials for the seconds, the 12-hour and 30-minute registers. Luminous steel baton hands. Cal. 72B, rhodium-plated, 17 jewels, straight-line lever escapement, monometallic balance adjusted to 3 positions, shock absorber, self-compensating free- sprung Breguet balance spring, Microstella regulating screws.
Grading System:
HKD 150,000 - 250,000
USD 19,300 - 32,000
CHF 18,000 - 30,000
Sold: HKD 337,500
Three-body, polished and brushed, tachometer graduation on the steel bezel to 200 units per hour, screwed-down case back and winding crown. Bicolor silver and black with applied steel baton indexes and luminous dots, outer 1/5th seconds track, subsidiary guilloche dials for the seconds, the 12- hour and 30-minute registers. Luminous steel baton hands. Cal. 727, rhodium-plated, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating Breguet balance spring, Microstella regulating screws.
Grading System: AAA
HKD 280,000 - 360,000
USD 36,000 - 46,000
CHF 34,000 - 44,000
Sold: HKD 400,000
Three-body, polished and brushed, tachometer graduation on the steel bezel to 200 units per hour, screwed-down case back and winding crown. Bicolor silver and black with applied steel baton indexes and luminous dots, outer 1/5th seconds track, subsidiary guilloche dials for the seconds, the 12- hour and 30-minute registers. Luminous steel baton hands. Cal. 722-1, rhodium-plated, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating Breguet balance spring, Microstella regulating screws.
Grading System: AAA
HKD 194,000 - 271,000
USD 25,000 - 35,000
CHF 23,400 - 33,000
Sold: HKD 350,000
Three-body, polished and brushed, screwed-down case back and crown, tachometer graduation on the bezel to 200 units per hour. Bi-color champagne and black with applied yellow gold baton indexes and luminous dots, subsidiary dials for the seconds, the 12-hour and 30-minute registers. Luminous yellow gold baton hands. Cal. 722, rhodium-plated, 17 jewels, straight line lever escapement, monometallic balance adjusted to 3 positions, shock absorber, self-compensating free-sprung Breguet balance spring, Microstella regulating screws.
Grading System:
HKD 466,000 - 620,000
USD 60,000 - 80,000
CHF 57,000 - 76,000
Sold: HKD 550,000
Three-body, polished and brushed, screwed-down case back, buttons and crown, tachometer graduation on the bezel to 200 units per hour. Bi-color black and silver with applied black steel indexes and luminous dots, subsidiary dials for the seconds, the 12-hour and 30-minute registers, outer minute/ seconds division. Luminous steel baton hands. Cal. 72B, rhodium plated, 17 jewels, straight line lever escapement, monometallic balance, shock absorber, self-compensating free-sprung fl at balance spring, Microstella regulating screws.
Grading System:
CHF 80,000 - 120,000
HKD 640,000 - 965,000
USD 83,000 - 125,000
Sold: CHF 96,150
Three-body, polished and brushed, screwed-down case back and winding crown, tachometer graduation on the steel bezel to 200 units per hour. Bicolor off-white and black with applied black painted steel square indexes and luminous dots, subsidiary dials for the seconds, the 12- hour and 30-minute registers, outer red 1/5th seconds track. Luminous steel baton hands. Cal. 722, rhodium-plated, 17 jewels, straight-line lever escapement, monometallic balance adjusted to 3 positions, shock absorber, self-compensating free-sprung Breguet balance spring, Microstella regulating screws.
Grading System:
CHF 75,000 - 95,000
HKD 600,000 - 760,000
USD 78,000 - 98,000
Three-body, polished and brushed, screw-down case back and winding crown, tachometer graduation on the steel bezel to 200 units per hour. Bicolor off-white and black with applied square steel indexes and luminous dots, outer red 1/5th seconds divisions, subsidiary guilloché dials for the seconds, the 12-hour and 30-minute registers. Luminous steel baton hands. Cal. 722-1, rhodium-plated, 17 jewels, straight-line lever escapement, monometallic balance adjusted to 3 positions, shock absorber, self-compensating free-sprung Breguet balance spring, Microstella regulating screws.
Grading System:
CHF 200,000 - 300,000
HKD 1,610,000 - 2,410,000
USD 207,000 - 311,000
Sold: CHF 231,750
Three-body, solid, polished and brushed, screwed-down case back and crown, tachometer graduation bezel to 200 units per hour. Bi-color black and champagne with applied luminous square gold indexes, outer minute/seconds division, subsidiary black dials for the seconds, 12-hour and 30-minute register. Luminous yellow gold "bâton" hands. Cal. 722, rhodium-plated, 17 jewels, straight line lever escapement, monometallic balance adjusted to 3 positions, shock-absorber, self-compensating Breguet balance-spring.
Grading System:
CHF 180,000 - 240,000
HKD 1,500,000 - 1,900,000
USD 187,000 - 245,000
Sold: CHF 207,750
Three-body, polished and brushed, tachometer graduation on the steel bezel to 300 units per hour, screwed-down case back and winding crown. Bicolor silver and black with applied steel baton indexes and luminous dots, outer 1/5th seconds track, subsidiary guilloche dials for the seconds, the 12- hour and 30-minute registers. Luminous steel baton hands. Cal. 722-1, rhodium-plated, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating Breguet balance spring, Microstella regulating screws.
Grading System: AAA
USD 15,000 - 25,000
HKD 116,000 - 194,000
CHF 15,000 - 25,000
Sold: USD 22,500
Three-body, polished and brushed, tachometer graduation on the bezel to 200 units per hour, screwed-down case back and crown. Bicolor silver and black with applied steel baton indexes and luminous dots, subsidiary dials for the seconds, the 12-hour and 30-minute registers, outer 1/5th seconds track. Luminous steel baton hands. Cal. 727, rhodium plated, 17 jewels, straight-line lever escapement, monometallic balance adjusted to three positions, shock absorber, self-compensating free-sprung Breguet balance spring, Microstella regulating screws.
Grading System:
USD 35,000 - 55,000
HKD 270,000 - 430,000
CHF 35,000 - 55,000