Sept 24, 2026 · Bonus theme: Rolex

NO QUARTZ Ref. NQ0002: the answers

NO QUARTZ is a free daily watch quiz: 5 new questions every day, from easy to expert. Here are the questions from Sept 24, 2026, with the answers and the story behind each one. The last one is the Grand Complication, a harder bonus question for players who scored 80 or more.

Question 1·Multiple choice

Which brand makes the Royal Oak?

  • A.Rolex
  • B.Vacheron Constantin
  • C.Audemars PiguetCorrect answer
  • D.Patek Philippe

The story behind it

The Royal Oak was presented at the 1972 Basel fair, where a steel sports watch from a haute horlogerie house was met with open scepticism. It went on to define the luxury steel sports watch category.

Link to this question →

Question 2·Multiple choice

Which watch did Sean Connery wear as James Bond in Dr. No (1962)?

  • A.Rolex SubmarinerCorrect answer
  • B.Breitling Top Time
  • C.Rolex Explorer
  • D.Omega Seamaster

The story behind it

The film watch is identified as the Submariner reference 6538, which collectors nickname the 'Big Crown' for its oversized winding crown. Omega, now so closely tied to Bond, arrived only decades later.

Link to this question →

Question 3·Multiple choice

What was the tourbillon originally designed to counter?

  • A.The effect of gravity on the balanceCorrect answer
  • B.Magnetism
  • C.Changes in temperature
  • D.Shocks from knocks and drops

The story behind it

Breguet designed it for pocket watches, which spent hours upright in a pocket where gravity pulls the balance off rate. Putting the whole escapement in a rotating cage averages those errors out as it turns.

Link to this question →

Question 4·Multiple choice

Rolex introduced the Daytona refs. 6263 and 6265 together in 1971. What was the main visible difference between them?

  • A.The 6265 had screw-down pushers, the 6263 did not
  • B.The 6263 had a black acrylic bezel insert, the 6265 a metal tachymeter bezelCorrect answer
  • C.The 6265 had an automatic movement
  • D.The 6263 had a date window

The story behind it

Both 6263 and 6265 ran on the Valjoux-based Calibre 727 and stayed in production for about 17 years. They were the last manual-wind Daytonas before the automatic 16520 of 1988.

Link to this question →

Question 5·Put in order

Put these divers in order by their official water-resistance rating as launched, lowest first.

Correct order

  1. 1Seiko 62MAS (1965), Japan's first diver's watch
  2. 2Doxa SUB 300 (original, 1967)
  3. 3Omega Seamaster 'Ploprof' (original)
  4. 4Seiko Professional Diver with ceramic outer case (1986)

The story behind it

Seiko's 1986 model is, by Seiko's own account, the world's first 1,000 m diver with a ceramic outer case. Seiko got there in stages: 150 m in 1965, 300 m in 1968, a titanium 600 m in 1975, and the ceramic-shrouded 1,000 m in 1986.

Link to this question →

Grand Complication (bonus)·Multiple choice

The Sea-Dweller launched in 1967 rated to 610 m. In what year did Rolex double that rating to 1,220 m?

  • A.1971
  • B.1978Correct answer
  • C.1983
  • D.1989

The story behind it

The 1978 ref. 16660, the 'Triple Six', doubled the Sea-Dweller's rating from 2,000 ft to 4,000 ft (1,220 m). It also replaced the acrylic crystal with sapphire and fitted a larger helium escape valve to go with the higher rating. The figure has lasted: the current 43 mm Sea-Dweller 126600 is still rated to exactly 1,220 m, almost five decades later.

Link to this question →

How would you have done? Today's puzzle is live: 5 new questions, free to play, no account needed.

Play today's puzzle

A new puzzle every day at midnight New York time.