Ulysse Nardin 36000 Chronometer A.261 NB11QU Automatic SS 1970s Men's Watch

ULYSSE NARDIN 36,000 Chronometer REF. A.261 – CAL. NB 11 QU – Automatic – SS – 1970s – Men's

Manufacturer: Ulysse Nardin

Type: Men's

Model Name: 36,000 Chronometer

Reference / Caliber: REF. A.261 / CAL. NB 11 QU

Material: Stainless Steel

Strap: Aftermarket leather strap with aftermarket nickel buckle.

* A genuine SS bracelet is included, but the clasp is slightly loose when worn. Please use the attached leather strap. The original bracelet is removable but has an integrated-like appearance with great vintage character.

Movement: Automatic

Year: Estimated around 1974 (Mov. 040***)

Case Size: Approx. 36 mm

Accessories: Chronometer certificate

Condition:

- Shows aging and minor scratches appropriate for its age, but the case edges remain sharp and overall wear is minimal. The watch retains its original vintage character.

- The acrylic crystal has small surface scratches, but remains clear considering its age.

- The genuine SS bracelet is in good condition, but the clasp is slightly loose. The aftermarket leather strap is recommended for actual use.

Dial: Silver

Crystal: Acrylic

Caseback: Screw-back

Movement Details:

- 25 jewels, Incabloc shock protection

- Flat hairspring, smooth balance wheel

- High-beat 36,000 vph

- Hacking seconds

- CAL. NB 11 QU is believed to be based on ETA 2824, but heavily tuned to achieve 36,000 vph.

Timekeeping (6 positions):

Flat: +15 to +19 sec/day

12H down: +20 to +23 sec/day

Crown down: +20 to +24 sec/day

6H down: +15 to +17 sec/day

9H down: +18 to +20 sec/day

Dial down: +20 to +22 sec/day

If the regulator is adjusted to -15 sec, the accuracy becomes approximately:

Flat: +0 to +4 sec/day

12H down: +5 to +8 sec/day

Crown down: +5 to +9 sec/day

6H down: +0 to +2 sec/day

9H down: +3 to +5 sec/day

Dial down: +5 to +7 sec/day

Please check the photos for the detailed condition.

Please allow for slight measurement variations.

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