Important Modern & Vintage Timepieces
Hong Kong, Nov 30, 2025
LOT 24
S. SMITH & SON, CHRONOMETER 170-20, KEW CERTIFICATE CLASS “A”, POCKET WATCH, 18K YELLOW GOLD
HKD 50,000 - 80,000
EUR 5,600 - 8,900 / CHF 5,200 - 8,300 / USD 6,500 - 10,300 / JPY 1,000,000 - 1,590,000
A fine and rare, 18K yellow gold, keyless, open face pocket watch, featuring a ‘‘single roller’’ escapement and a ‘‘going barrel’’ winding mechanism, the white enamel dial mention Kew certificate class “A”
| Grading System | |
|---|---|
Grade: AAA |
Excellent |
Case: 3-8 |
Good Slightly scratched |
Movement: 3* |
Good Overhaul recommended, at buyer's expense |
Dial: 2-8-01 |
Very good Slightly scratched HANDS Original |
Brand S. Smith & Son
Model Chronometer 170-20
Year circa 1911
Case No. 170-20
Diameter 50 mm.
Caliber 170-20
Weight 108.8gr. (approx.)
Signature dial, case and movement
Accessories S. Smith & Son fitted box, extract from Chronometer Database dated 2018
Notes
According to the extract dated September 14, 2018, the pocket watch with Chronometer No. 170-20 was an official participant in the Chronometer Competition held at the Kew Observatory, located in the Old Deer Park, Richmond, Surrey, during the year 1911 (from September 1 to October 15).
The watch was submitted by S. Smith & Son, London. It is described as a «Gold Keyless open face» pocket watch, featuring a «single roller» escapement and a «going barrel» winding mechanism.
The watch was tested and classified under the «Kew - Class A» category.
The watch was submitted by S. Smith & Son, London. It is described as a «Gold Keyless open face» pocket watch, featuring a «single roller» escapement and a «going barrel» winding mechanism.
The watch was tested and classified under the «Kew - Class A» category.