Important Collectors’ Wristwatches, P...

Geneva, Nov 16, 2008

LOT 556

Caliber 30CH Longines, movement No. 10945133, case No. 596729, Ref. 33. Made circa 1950. Very fine and rare, large, 18K yellow gold wristwatch with square button chronograph, semi-instantaneous 30-minute register, telemeter, tachometer and a gold-plated Longines buckle.

CHF 3,200 - 5,000

USD 3,000 - 4,600 / EUR 2,000 - 3,100

Sold: CHF 4,080

C. Three-body, solid, polished and brushed, concave bezel, lapidated lugs, snap-on case back. D. Brushed champagne with applied yellow gold pyramidal indexes with 12 and 6 Arabic numerals, subsidiary dials for the 30-minute register and for the seconds, outer telemeter scale, outermost tachometer scale. Yellow gold feuille hands. M. Cal. 30CH, rhodium plated, 18 jewels, straight line lever escapement, Glucydur balance, self-compensating blued Breguet balance spring, shock absorber, index regulator. Dial, case and movement signed. Diam. 38 mm. Thickness 13 mm.


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Grading System
Grade: AA

Very good
Case: 3

Good
Movement: 3*

Good

Overhaul recommended, at buyer's expense
Dial: 3-01

Good

HANDS Original

Notes

Caliber 30CH: Made in 1947, 13 ¼ ??? with 18.000 bhp. It was developed between 1944 and 1947 to replace the former Longines caliber, 13ZN, due to its expensive production costs. It is the last wristwatch chronograph caliber made by Longines in Saint Imier.