Depthomatic, Circa 1960 — Nivada Grenchen. A stainless steel automatic calendar wristwatch with depth gauge

Sign in to download a work market report (PDF) — placement, comparables, and the artist's market, generated from the record.

Estimate: £2,000–£3,000 hammer ≈ $2,705–$4,057
Result
Performance
Sale: Bonhams — London Watches, London, Knightsbridge · 25 February 2026
Record ID: TB-2026-042049
Record: first seen 20 Jul 2026 · updated 22 Jul 2026 · source ↗
Cite this record: TB-2026-042049 — https://thebasis.art/cite/TB-2026-042049

Nivada Grenchen. A Stainless Steel Automatic Calendar Wristwatch With Depth Gauge, Depthomatic, Circa 1960. Bonhams, 25 Feb 2026, lot 48. bought in (did not sell). TheBasis.Art, TB-2026-042049.

Cite this record permanent · resolvable · quotable

Appraisal reports, insurance claims, catalogue entries and footnotes. The identifier never changes, and anyone can resolve it back to this page at https://thebasis.art/cite/TB-2026-042049.

Nivada Grenchen. A Stainless Steel Automatic Calendar Wristwatch With Depth Gauge, Depthomatic, Circa 1960. Bonhams, 25 Feb 2026, lot 48. bought in (did not sell). TheBasis.Art, TB-2026-042049.

Test the link

The citation omits the realized price because this record is not unlocked. Everything else in it is complete and permanent.

From the same sale London Watches · Feb 2026

Lot	Artist	Estimate
Prince, Ref: 1527, Circa 1930	Rolex. A Two Colour 18k Gold Manual Wind Wristwatch	£4,000–£6,000
Prince Aerodynamic, Ref: 3361, Circa 1940	Rolex. A 9k Gold Manual Wind Drivers Watch	£7,000–£9,000
Seamaster 600 'PloProf', Purchased 8th April 1974	Heuer. A Stainless Steel Automatic Calendar Wristwatch	£4,000–£6,000
Speedmaster Professional, Ref: 145022-69 ST, Circa 1971	Omega. A Stainless Steel Manual Wind Chronograph Bracelet Watch	£3,000–£4,000
Constellation, Ref: 1685004, Birmingham Hallmark for 1963	Omega. An 18k Gold Automatic Calendar Bracelet Watch	£2,000–£3,000
Datejust, Ref: 6605, Circa 1956	Rolex. A Fine And Rare 18k Gold Automatic Calendar Bracelet Watch With Depth Rating And 'superlative Chronometer By Official Test' Dial Retailed By Serpico Y Laino	£12,000–£18,000

Comparable results nearest sold works, same medium & price band

Artist	Lot	Result USD, incl. premium	Sale
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Z.R.C. Montre bracelet en acier avec date mouvement automati	$3,406	Bonhams, Oct 2024
Patek Philippe. An 18k Gold Manual Wind Wristwatch	Ref: 3010J, c. 1945		Bonhams, Sep 2024
Bulgari. A Stainless Steel Automatic Chronograph Calendar Wristwatch	Navitimer, Ref: A13022, Purchased 30th April 1999		Bonhams, May 2026
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Date, Ref: 15010/15000, Purchased 2nd July 1986		Bonhams, Apr 2026
Patek Philippe. An 18k Gold Manual Wind Wristwatch	Calatrava, Ref: 2506/1, Manufactured 1955, Sold July 7th 195		Bonhams, Nov 2022
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Oyster Perpetual Date, Ref: 6916/6917, Circa 1971		Bonhams, Mar 2025
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Datejust, Ref: 1603, Circa 1969		Bonhams, May 2026
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Air King Date, Ref: 5700/1500, Circa 1982		Bonhams, Feb 2021

The closest sold results by price, artist, and medium — the appraiser's comp set, generated from the corpus. All figures converted to USD at current reference rates.