Masterworks of Time: Splendours for the East 「時間傑作：西器東傳」

View full screen - View 1 of Lot 526. A FINE AND RARE GOLD HUNTING CASED DOUBLE DIALLED KEYLESS LEVER WATCH WITH CALENDAR, MOON PHASES AND BLACK DIALS CIRCA 1890, NO. 66306 [ 芝柏罕有黃金雙錶盤懷錶，備日曆及月相顯示，年份約1890，編號66306].

Girard-Perregaux, Chaux-de-Fonds

A FINE AND RARE GOLD HUNTING CASED DOUBLE DIALLED KEYLESS LEVER WATCH WITH CALENDAR, MOON PHASES AND BLACK DIALS CIRCA 1890, NO. 66306 [ 芝柏罕有黃金雙錶盤懷錶，備日曆及月相顯示，年份約1890，編號66306]

VAT applies to hammer price and buyer's premiumNo Reserves

Lot Closed

November 12, 03:28 PM GMT

Estimate

2,000 - 3,000 CHF

Lot Details

Description

Girard-Perregaux, Chaux-de-Fonds

A FINE AND RARE GOLD HUNTING CASED DOUBLE DIALLED KEYLESS LEVER WATCH WITH CALENDAR, MOON PHASES AND BLACK DIALS

CIRCA 1890, NO. 66306

[ 芝柏罕有黃金雙錶盤懷錶，備日曆及月相顯示，年份約1890，編號66306]

• Movement: nickel, lever escapement, blued steel spring with over-coil, bi-metallic compensation balance, barrel bridge signed Girard Perregaux, main-plate with stamp of Alfred Courvoisier Jonais, calendar work on a separate plate hinged into the case and operated via motion work driven from the centre wheel, the calendar work advanced via a cam with protruding lever acting on a further lever through an aperture to the backplate of the calendar dial, the dial's backplate signed and numbered Girard-Perregaux Chaux-de-Fonds no.66306

• Dials: first - black enamel, Roman numerals, outer Arabic minute ring, sunken subsidiary seconds with arrow-form hand, gold marcasite-set hour and minute hands • second - black enamel, outer date ring with central indicator hand, two subsidiary dials for day and month in Spanish, aperture for moon phases, both dials signed Girard-Perregaux, Chaux-de-Fonds,

• Case: 18ct gold, plain polished bezels, milled band

diameter 53mm

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The calendar mechanism of this watch was designed by Alfred Courvoisier Jonais of La Chaux-de-Fonds who received US patent 116316 for his "Improvements in Double Faced Watches" on 27 June 1871. The principle advantage of Jonais' system was in allowing the easy separation of the calendar work from the main watch movement - the calendar module simply 'unclipped' from the watch's movement allowing easy inspection of both elements and faster access for repairs.