Important Collectors Watches, Pocket ...

Hong Kong, Jun 08, 2008

LOT 30

Split-Seconds Chronograph with Minute-Repeating Audemars Piguet & Co, Geneva, No. 11628. Made circa 1910. Very fine, minute-repeating, keyless, 18K yellow gold pocket watch with split-seconds chronograph and progressive 30-minute register.

HKD 130,000 - 160,000

USD 17,000 - 21,000 / EUR 10,000 - 13,000

Sold: HKD 138,000

C. Four-body, ?demi bassine?, solid, polished. Hinged gold cuvette. D. White enamel with painted black Breguet numerals, outer minute/seconds and 1/5th seconds divisions with red five minute numerals, subsidiary dials for the seconds and progressive 30-minute register. Black spade hands. M. Cal. 17???, rhodium plated, oeil-de-perdrix decoration, 33 jewels, wolf?s tooth winding, straight-line lever escapement, cut bimetallic compensation balance adjusted, blued steel Breguet balance spring, swanneck micrometer regulator, visible chronograph work, repeating on gongs activated by a slide on the band. Dial and movement signed, case numbered. Diam. 47 mm.


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Grading System
Grade: AA

Very good

Case: 3

Good

Movement: 3*

Good

Overhaul recommended, at buyer's expense

Dial: 4-43-01-08

Fair

HANDS Original

HANDS Repaired

Notes

What is a split-seconds chronograph?
Asplit-seconds chronograph or 'rattrapante' is a type of chronograph watch with two coaxial superimposed center-seconds hands that are controlled by two push-buttons. One push-button controls the split-seconds hand to stop or join the chronograph hand. The other push-buttons control both hands and all the functions of the chronograph. The chronograph hand and the split-seconds hand are used for timing several events that start simultaneously, but are of different durations. To operate the split-seconds chronograph, both hands are started and remain superimposed. Then at the end of the first duration, the split-seconds hand can be stopped while the chronograph hand continues to move. The duration of the first event can be read. After recording, the split-seconds hand can be released to instantly move and join the chronograph hand, synchronizing with it and thus being ready for another recording. At the end of each event the hands then can be stopped and returned to zero