Datejust Pearlmaster, Ref: 80318, c.2010s — Rolex. A lady's 18K gold, diamond, and ruby automatic calendar bracelet watch

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Estimate: $20,000–$25,000 hammer
Result: upcoming — 21 August 2020
Performance
Sale: Bonhams — The Art of Time, New York · 21 August 2020
Record ID: TB-2026-688076
Record: first seen 21 Jul 2026 · updated 21 Jul 2026 · source ↗
Cite this record: TB-2026-688076 — https://thebasis.art/cite/TB-2026-688076

Rolex. An 18k Gold And Diamond Set Automatic Calendar Bracelet Watch, Datejust Pearlmaster, Ref: 80318, c.2010s. Bonhams, 21 Aug 2020, lot 18. estimate $20,000–$25,000, unsold at time of record. TheBasis.Art, TB-2026-688076.

Sell probability TheBasis model · trained on recorded passes

69% chance this lot finds a buyer · market base rate 72%

Of the 92,019 held-out lots the model scored about 69%, 65% sold.

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Rolex. An 18k Gold And Diamond Set Automatic Calendar Bracelet Watch, Datejust Pearlmaster, Ref: 80318, c.2010s. Bonhams, 21 Aug 2020, lot 18. estimate $20,000–$25,000, unsold at time of record. TheBasis.Art, TB-2026-688076.

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From the same sale The Art of Time · Aug 2020

Lot	Artist	Estimate
Ellipse, Ref: 3577/1, c.1976	Patek Philippe. An 18k Gold Manual Wind Bracelet Watch	$5,000–$6,000
1980's	Patek Philippe. An 18k White Gold Bracelet Wristwatch	$5,000–$7,000
c. 1990	Audemars Piguet. A Fine White Gold Bracelet Watch With Diamond Numerals	$5,000–$7,000
1920's	Cartier, Paris. A Fine 18k Gold Slim Openface Minute Repeating Watch	$12,000–$18,000
Master Compressor, Ref: 148.8.31, c. 2000s	Jaeger Lecoultre. A Stainless Steel And Diamond Set Calendar Chronograph Wristwatch	$3,000–$4,000
Travel Time, Ref: 5134J-001, Sold 24th of December 2001	Patek Philippe. A Fine 18k Yellow Gold Manual Wind Dual Time Wristwatch	$13,000–$18,000

Comparable results nearest sold works, same medium & price band

Artist	Lot	Result USD, incl. premium	Sale
Rolex. An 18k Gold And Diamond Set Automatic Calendar Bracelet Watch	Day-Date II, Ref: 218239, Purchased 24th December 2013	$22,446	Bonhams, Dec 2023
Rolex. An 18k Gold And Diamond Set Automatic Calendar Bracelet Watch	Day-Date, Ref: 18388, Circa 1987		Bonhams, Jun 2022
Rolex. An 18k Gold And Diamond Set Automatic Calendar Bracelet Watch	Day-Date, Ref: 18038, Circa 1978		Bonhams, Nov 2022
Rolex. An 18k Gold And Diamond Set Automatic Calendar Bracelet Watch	Daydate, Ref: 118388, c. 2007		Bonhams, Mar 2025
Rolex. An 18k Gold And Diamond Set Automatic Calendar Bracelet Watch	Day-Date, Ref: 118398, Circa 2006		Bonhams, Jun 2019
Rolex. An 18k Gold And Diamond Set Automatic Calendar Bracelet Watch	Day-Date, Ref: 18239, Circa 1993		Bonhams, Nov 2022
Rolex. An 18k Gold And Diamond Set Automatic Calendar Bracelet Watch	Day-Date, Ref: 18038, Circa 1987		Bonhams, Dec 2024
Rolex. An 18k Gold And Diamond Set Automatic Calendar Bracelet Watch	Day-Date, Ref: 228238, Purchased 6th May 2021		Bonhams, Jun 2022

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.