Only Online Auction
Hong Kong, Oct 14, 2021
LOT 202
Longines
Ref. 674.5232, self-winding, chronograph, minute and hour counters, date, day, Hour-Angle, calibre Valjoux 7750; “Hour Angle Watch Designed by Col. Charles A. Lindbergh”; “Replica” limited edition; stainless steel and gilded stainless steel
HKD 8,400 - 25,200
CHF 1,000 - 3,000 / EUR 950 - 2,800 / USD 1,100 - 3,300
Sold: HKD 10,750
Stainless steel, self-winding, “tonneau”-shaped, aviator’s wristwatch, sapphire-crystal snap-on case-back, ball-shaped winding-crown, gilded colour dial with six horological complications:
· 1/8 second chronograph (activated by the two rectangular-shaped push-pieces)
· Half-instantaneous 30-minute counter (subsidiary dial at 12 o’clock)
· Dragging 12-hour counter (subsidiary dial at 6 o’clock)
· Half-instantaneous date of the month (aperture at 3 o’clock)
· Day of the week (aperture at 3 o’clock; indications given in English)
· Hour-Angle (central graduation; toothed bidirectional revolving bezel engraved with the 15 degrees)
Gilded metal revolving bezel with green and blue enamelled 15 degrees graduation and graduated band; the winding-crown activates the hour and minute hands.
| Grading System | |
|---|---|
Grade: A |
Good |
Case: 3-8 |
Good Slightly scratched |
Movement: 2* |
Very good Overhaul recommended, at buyer's expense |
Dial: 2-01 |
Very good HANDS Original |
Brand Longines, Saint-Imier (Bernese Jura)
Model “Hour Angle Watch Designed by Col. Charles A. Lindbergh”
Reference 674.5232
Year circa 1987
Movement No. unnumbered
Case No. 4 623
Material stainless steel and gilded stainless steel
Bracelet brown leather Longines strap
Buckle stainless steel Longines buckle
Diameter 36.6 mm. (bezel)
Caliber 13’’’ (base on Valjoux 7750)
Height 42.7 mm.
Width 38.1 mm.
Signature dial, case and movement
Accessories original fitted box, booklets
Notes
Longines “Hour-Angle” watch
The “Hour-Angle” system was invented by Philip Van Horn Weems (1889-1979) of the Annapolis Naval Academy, an authority in the 1920’s and 1930’s. He trained the famous Charles A. Lindbergh (1902-1974), who set the record for the first non-stop transoceanic flight.
The watch was intended for rapid determination of longitude during flight. As a navigational instrument for airplane pilots, is used in conjunction with a sextant and the appropriate nautical tables, to permits the rapid computation of the Greenwich hour angle, that is, the aircraft’s longitude.
--
The “Longines Hour Angle Watch” (1927-1987)
The “Longines Hour Angle Watch” was edited to marks the 60th anniversary of the historic flight of May 20-21, 1927, which opened the Atlantic to aviation.
The “Hour-Angle” system was invented by Philip Van Horn Weems (1889-1979) of the Annapolis Naval Academy, an authority in the 1920’s and 1930’s. He trained the famous Charles A. Lindbergh (1902-1974), who set the record for the first non-stop transoceanic flight.
The watch was intended for rapid determination of longitude during flight. As a navigational instrument for airplane pilots, is used in conjunction with a sextant and the appropriate nautical tables, to permits the rapid computation of the Greenwich hour angle, that is, the aircraft’s longitude.
--
The “Longines Hour Angle Watch” (1927-1987)
The “Longines Hour Angle Watch” was edited to marks the 60th anniversary of the historic flight of May 20-21, 1927, which opened the Atlantic to aviation.
CONDITIONS AND INFORMATION FOR BUYERS
The purchase price payable by a buyer will be the sum of the final bid price plus the buyer’s premium, together with any applicable sales or compensating use tax. In addition to the hammer price, the buyer’s premium is payable as follows: 25% of the hammer price on each lot.Important notice – Special conditions Please look carefully at all the photos as they are an integral part of the description. Any defect not mentioned in the descriptions but visible on the photos will be considered as described and cannot lead to any claim. The dimensions are given as an indication and may slightly differ from the measures mentioned by the manufacturers especially for contemporary watches. The photos are not retouched. Colors may differ from reality. For timepieces, we guarantee neither the functioning nor the precision of the movement, nor the water-resistance of the case. In addition, please note that movements, parts of mechanisms or cases may be incomplete. The lots are sold “as is”, described to the best of our knowledge and cannot be returned. Once the online bid is placed by the bidder, it cannot be cancelled.