All Cartier
Cartier Santos 43 mm Mother-of-pearl Sapphire
Front view

Front view

Dial, hands and bezel as delivered.

Case-back view

Case-back view

Case-back engraving and, where fitted, the sapphire display.

Movement

Movement

Calibre with its finishing and decoration.

On the wrist

On the wrist

Worn shot for proportion and strap drape.

Cartier · Santos

Cartier Santos 43 mm Mother-of-pearl Sapphire

Reference 87611OR.90

Reference at a glance

Brand
Cartier
Collection
Santos
Model
Cartier Santos 43 mm Mother-of-pearl Sapphire
Reference number
87611OR.90
Year / era
1976 · 1970s — quartz-crisis era
Complication
Flyback chronograph
Movement
In-house manual-winding
Case material
Sapphire crystal case
Dial type
Mother-of-pearl
Strap / bracelet
Integrated steel bracelet
Water resistance
30 m
Limited-edition status
Limited edition of 188 pieces
Compare this reference

Case, dial & bracelet

Case dimensions
43 mm
Case thickness
8.8 mm
Case material
Sapphire crystal case
Bezel
Smooth polished
Crystal
Box sapphire with AR coating
Dial
Mother-of-pearl
Hands
Mercedes hour hand with Chromalight display
Indexes
Applied Arabic numerals with luminous coating
Bracelet / strap
Integrated steel bracelet
Clasp / buckle
Folding clasp in matching case metal
Water resistance
30 m

Movement

Movement / calibre
Calibre 59A — In-house manual-winding
Movement type
Automatic, self-winding
Frequency
21,600 vph (3 Hz)
Power reserve
55 hours
Number of jewels
21 jewels
Complications
Flyback chronograph
Functions
Flying tourbillon, power reserve
Watchmaker
The calibre is built in-house and adjusted in five positions before delivery.

Production & market

Production period
1976 – 1989
Limited-edition quantity
188 pieces
Current market information
Trades close to retail on the secondary market, with steady demand for full-set examples.

Designer

Louis Cartier

The reference was drawn by the manufacture's internal design office, where case, dial and movement architects work alongside the watchmakers rather than as an outside commission.

Historical significance

Cartier Santos 43 mm Mother-of-pearl Sapphire sits within Cartier's Santos line, introduced in 1976. It carries the house codes established since 1847 — sapphire crystal case case, mother-of-pearl dial and in-house manual-winding — and is one of the references collectors use to date the evolution of the collection.

Interesting facts

  • Early production dials show a slightly different minute track, and collectors pay a premium for them.
  • The bracelet tapers across its length, which is why the profile looks thinner on the wrist than the specification suggests.
CA

The House

Cartier

Brand facts

Founding year
1847
Founder
Louis-François Cartier
Headquarters
France
Tier
Luxury
Major collections
Santos, Tank, Ballon Bleu, Panthère, Pasha, Baignoire, Cle, Privé
Signature technologies
Hand-applied guilloché dials · Proprietary case-hardening and polishing · In-house hairspring production
Famous movements
In-house manual-winding · In-house automatic chronograph · In-house automatic, chronometer certified · In-house automatic, Superlative Chronometer
Notable watches
Cartier Santos 43 mm Mother-of-pearl Sapphire (1976) · Cartier Santos 36 mm Silvered 18k (1986) · Cartier Santos 44 mm Salmon Grade (1992) · Cartier Santos 43 mm Green Carbon (1980)

Brand history

Cartier has spent more than 179 years refining a single idea: a watch should outlive its owner. From the earliest workshop pieces to today's Santos, the house has balanced technical ambition with a recognisable design language, and its collections remain among the most closely followed by collectors worldwide.

Louis-François Cartier established Cartier in 1847, working from France at a time when precision was measured by hand. The founder's obsession with finishing and accuracy still defines every Cartier calibre produced today.

Historical milestones

  1. 1847

    Louis-François Cartier founds Cartier in France.

  2. 1887

    Cartier earns its first international recognition for precision timekeeping.

  3. 1969

    The quartz era forces Cartier to redefine mechanical watchmaking.

  4. 1990

    Cartier enters the modern collector market with its signature lines.

  5. 2024

    Cartier continues to produce Santos, Tank, Ballon Bleu and other icons in limited numbers.

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