Hong Kong, May 29, 2022

LOT 273

Nivada Watch Co.
Diver’s, self-winding, centre-seconds, date, black dial; “Depthomatic”; stainless steel

HKD 23,800 - 47,500

EUR 2,900 - 5,800 / CHF 3,000 - 6,000 / USD 3,100 - 6,100

Sold: HKD 30,000

back, 60-minute graduated bidirectional revolving black inclined inner bezel for the decompression times (activated by the crown at 2 o’clock), graduated aluminium bezel, black dial with radial luminous indexes, centre-seconds and one horological complication:
· Half-instantaneous date of the month (aperture at 3 o’clock)

Movement activated by the crown at 2 o’clock.

Grading System
Grade: AAA


Case: 3-8


Slightly scratched

Movement: 3*


Overhaul recommended, at buyer's expense

Dial: 3-01


HANDS Original

Brand Nivada, Grenchen / Granges

Model “Depthomatic”

Reference 9901-2413

Year circa 1963

Movement No. unnumbered

Case No. 3 481 267 (with “Super-Compressor” patents; dated 9-63)

Material stainless steel

Bracelet brown leather strap

Buckle stainless steel buckle

Diameter 42.9 mm. (bezel)

Caliber 25-45

Height 45.5 mm.

Width 40.3 mm.

Signature dial, case and movement


Case based on the Swiss invention patent No. 317 537, delivered on November 30, 1956 (application filed on November 22, 1954), to Ervin Piquerez, Bassecourt (Bernese Jura), for a “Boîte de montre étanche” (Water-resistant watch-case).

Case based on the Swiss invention additional patent No. 337 462 (subordinate to the main patent No. 321 578), delivered on March 31, 1959 (application filed on August 13, 1956), to Ervin Piquerez, Bassecourt (Bernese Jura), for a “Montre munie d’un organe de commande du mécanisme intérieur” (Watch fitted with a control device for the inner mechanism).