Front view
Dial, hands and bezel as delivered.
Case-back view
Case-back engraving and, where fitted, the sapphire display.
Movement
Calibre with its finishing and decoration.
On the wrist
Worn shot for proportion and strap drape.
Omega · Planet Ocean
Omega Planet Ocean 40 mm Silvered Sapphire
Reference 75986OR.84
Reference at a glance
- Brand
- Omega
- Collection
- Planet Ocean
- Model
- Omega Planet Ocean 40 mm Silvered Sapphire
- Reference number
- 75986OR.84
- Year / era
- 2013 · 2010s — modern production
- Complication
- Moon phase
- Movement
- In-house automatic chronograph
- Case material
- Sapphire crystal case
- Dial type
- Silvered opaline
- Strap / bracelet
- Rubber strap with titanium clasp
- Water resistance
- 100 m
- Limited-edition status
- Regular production, not a limited edition
Case, dial & bracelet
- Case dimensions
- 40 mm
- Case thickness
- 8.8 mm
- Case material
- Sapphire crystal case
- Bezel
- Bidirectional 24-hour Cerachrom
- Crystal
- Anti-reflective sapphire, double-domed
- Dial
- Silvered opaline
- Hands
- Skeletonised sword hands, white luminescent
- Indexes
- Diamond-set hour markers
- Bracelet / strap
- Rubber strap with titanium clasp
- Clasp / buckle
- Titanium deployant clasp
- Water resistance
- 100 m
Movement
- Movement / calibre
- Calibre 78A — In-house automatic chronograph
- Movement type
- Manual-winding
- Frequency
- 21,600 vph (3 Hz)
- Power reserve
- 38 hours
- Number of jewels
- 27 jewels
- Complications
- Moon phase
- Functions
- Annual calendar, moon phase
- Watchmaker
- Assembled and regulated by a single watchmaker, who signs off the piece before casing.
Production & market
- Production period
- 2013 – 2020
- Limited-edition quantity
- Not applicable
- Current market information
- Consistently trades above retail; waiting lists at authorised dealers remain long.
Designer
In-house design studio
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
Omega Planet Ocean 40 mm Silvered Sapphire sits within Omega's Planet Ocean line, introduced in 2013. It carries the house codes established since 1848 — sapphire crystal case case, silvered opaline dial and in-house automatic chronograph — 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.
- The reference was originally planned as a one-year run and stayed in the catalogue for well over a decade.
The House
Omega
Brand facts
- Founding year
- 1848
- Founder
- Louis Brandt
- Headquarters
- Switzerland
- Tier
- Luxury
- Major collections
- Speedmaster, Seamaster, Constellation, De Ville, Aqua Terra, Planet Ocean, Railmaster
- Signature technologies
- Hand-applied guilloché dials · Composite and ceramic case materials · Certified chronometer regulation
- Famous movements
- In-house manual-winding · In-house automatic chronograph · In-house automatic, Superlative Chronometer · In-house automatic, chronometer certified
- Notable watches
- Omega Speedmaster 38 mm Slate Sapphire (1961) · Omega Speedmaster 39 mm Blue Quartz (1952) · Omega Speedmaster 44 mm Meteorite 18k (2001) · Omega Speedmaster 36 mm Slate 18k (1981)
Brand history
Omega has spent more than 178 years refining a single idea: a watch should outlive its owner. From the earliest workshop pieces to today's Speedmaster, the house has balanced technical ambition with a recognisable design language, and its collections remain among the most closely followed by collectors worldwide.
Louis Brandt established Omega in 1848, working from Switzerland at a time when precision was measured by hand. The founder's obsession with finishing and accuracy still defines every Omega calibre produced today.
Historical milestones
1848
Louis Brandt founds Omega in Switzerland.
1888
Omega earns its first international recognition for precision timekeeping.
1969
The quartz era forces Omega to redefine mechanical watchmaking.
1990
Omega enters the modern collector market with its signature lines.
2024
Omega continues to produce Speedmaster, Seamaster, Constellation and other icons in limited numbers.