Online Catalogue
25 June 2025 - Basel Watch Auction
Notes:
The Girard-Perregaux 1966 Annual Calendar with Equation of Time, Ref. 49538, is a distinguished timepiece that marries practical functionality with astronomical sophistication. While it doesn’t feature a traditional time zone or GMT complication, its unique combination of an annual calendar and an equation of time display offers both utility and horological intrigue.
The Girard-Perregaux 1966 Annual Calendar with Equation of Time, Ref. 49538, is a distinguished timepiece that marries practical functionality with astronomical sophistication. While it doesn’t feature a traditional time zone or GMT complication, its unique combination of an annual calendar and an equation of time display offers both utility and horological intrigue.
Online Catalogue 25 June 2025 - Basel Watch Auction Lot 336
Girard-Perregaux
“1966 Annual Calendar
Equation of Time”
Ref. 49538, n° 528, circa 2014
A 18k rose gold automatic wristwatch with annual calendar, equation of time, and power reserve
Case: round shape, snap on transparent case back, signed
Dial: grey with baton applied hour markers, subsidiary dials for date indication and constant seconds, window aperture for months indication, third hand with an arrow, sector for equation of time display
Movement: automatic, 18k gold rotor engraved Manufacture Girard-Perregaux, caliber GP033MO, signed
Buckle/Clasp: 18k rose gold buckle branded
Dimensions: 40 mm
Weight: 78 g.
Accessories: international guarantee dated August 2014, presentation box and outer packaging
CHF 8'000 – 12'000
Notes:
The Girard-Perregaux 1966 Annual Calendar with Equation of Time, Ref. 49538, is a distinguished timepiece that marries practical functionality with astronomical sophistication. While it doesn’t feature a traditional time zone or GMT complication, its unique combination of an annual calendar and an equation of time display offers both utility and horological intrigue.
The Girard-Perregaux 1966 Annual Calendar with Equation of Time, Ref. 49538, is a distinguished timepiece that marries practical functionality with astronomical sophistication. While it doesn’t feature a traditional time zone or GMT complication, its unique combination of an annual calendar and an equation of time display offers both utility and horological intrigue.