Patek Philippe World Time Quiz

Reference 515 HU was the first Patek Philippe World Time. What was unusual about the case?

• It was rectangular

• It was straight-sided, but curved top and bottom

• It was tonneau (cushion) shaped

Which scene is depicted on the cloisonné dial of The World Time Minute Repeater Reference 5531G-001?

• The Swiss Alps

• The city of Geneva, with the famous water jet (Jet d'Eau)

• Lavaux, a vineyard area, as seen from Lake Geneva

Caliber 240 HU was launched in Reference 5110 in the year 2000. What is special about this movement?

• One pusher moves the hour ring, the city ring, and the hour hand, all at the same time

• It was patented in 1996

• It shows the time at the North Pole

In 1940, Patek Philippe sold a Reference 1415 World Time with an additional complication. What was the complication?

• A Chronograph with pulsometer scale

• A Perpetual Calendar

• A Tourbillon

Reference 2523 World Time from 1954 housed a movement developed by Louis Cottier specifically for Patek Philippe. How was the city disk set?

• By pulling the crown out and rotating anti-clockwise

• By means of two pushers, one hour forward, or one hour back

• By means of a second crown

Caliber R 27 HU is used in Reference 5531R. What is special about this movement?

• The patented minute repeater strikework chimes local time for the time zone depicted at 12 o'clock

• The minute repeater gongs are made of platinum

• It contains 'cathedral' minute repeater gongs

The dial of World Time Reference 5230 with its hand-guilloché basket-weave motif is inspired by which artefact from the Patek Philippe museum?

• A World Time wristwatch from 1953

• A music box housing a tiny watch

• A 19th century pocket watch

The original wristwatch mechanism to show World Time was invented by an independent watchmaker, Louis Cottier. In which decade did he achieve this?

• The 1930s

• The 1970s

• The 1940s

Which of these ladies’ Patek Philippe references has a World Time function?

• Ref. 7150/250 (from 2018)

• Ref. 7130 (from 2011)

• Ref. 7140 (from 2012)

Which constellation inspired the hours hand on the 175th Anniversary ‘World Time Moon’ (References 5575 & 7175)?

• Orion

• The Southern Cross

• The Great Bear (Ursa Major), sometimes known as the Plough, or Big Dipper